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Greenwich LifeSciences, Inc. engages in the development of a breast cancer immunotherapy designed to prevent the recurrence of breast cancer following surgery. The company was founded by Eric Rothe on August 29, 2006 and is headquartered in Stafford, TX.

Greenwich LifeSciences Inc

Greenwich LifeSciences is surging following a positive clinical update that highlights an annual recurrence rate of less than 1% in the open-label arm of its Phase III trial, fueling community optimism about the company's competitive position. Investors are actively discussing the trial's statistically significant results compared to industry standards, the high level of insider ownership, and growing anticipation for upcoming abstract presentations.

Trump Media & Technology Group Corp. engages in operating social media and in the technology business. Its brands include TRUTH Social, TMTG+, and TMTG News. It operates through the Media and Truth.Fi segments. The Media segment includes products and services such as advertisement through the Truth Social platform. The Truth.Fi segment relates to customized exchange-traded funds or exchange-traded products invested in America First principles, and bitcoin and similar cryptocurrencies or crypto-related securities. The company was founded on March 28, 2024 and is headquartered in Sarasota, FL.

Trump Media & Technology Group Corp.

Trump Media & Technology Group Corp. (DJT) is trending as the community debates the geopolitical fallout of the ongoing conflict in the Middle East, specifically focusing on the closure of the Strait of Hormuz and the administration's call for international naval support. Investors are actively discussing the potential impact of these tensions on global energy prices, the effectiveness of proposed trade tariffs, and broader concerns regarding market stability as the administration navigates a complex coalition-building process.

Lemonade, Inc. is a holding company, which engages in the provision of insurance services. The firm's products include renters and homeowners insurance, and pet insurance. It offers insurance coverage under the homeowners multi-peril, inland marine, and general liability lines of business. The company was founded by Daniel Asher Schreiber and Shai Wininger on June 17, 2015 and is headquartered in New York, NY.

Lemonade Inc

Lemonade is seeing significant investor attention following a strategic partnership with Tesla that provides insurance discounts for FSD-enabled vehicles, fueling community speculation about data-driven growth. While the stock has experienced notable volatility and high short interest, bulls are focused on the company's AI-native insurance platform and its potential to scale rapidly against traditional carriers.

What is DAG? In more traditional blockchains, the host provides the food/drinks (i.e resources) for this party. And when the guests arrive, the amount of resources can only accommodate so many people, the portions are small and then everything eventually runs out and the party ends. Think Constellation DAG like a potluck (a party where everyone brings food/drinks). With every added guest (node to the network), the more resources the party has to keep going. This is the nature of Constellation, a distributed system that scales horizontally.  Is Constellation a Blockchain? Not exactly. Although inspired by the principles of decentralization, many standard blockchains such as Bitcoin and Ethereum face scalability issues. This is why the next, generation of decentralized networks such as Hashgraph, IOTA, and Constellation have turned to DAG.  What is a Microservice? “Microservices” is an approach to application development in which a large application is built as a suite of modular services. Each module supports a specific business goal and uses a simple, well-defined interface to communicate with other sets of services. Uber, for example, is not a singular app purse. It is a unified app which means it is a single interface that brings together their driver app, their rider app, and their corporate team app.

Constellation

Constellation (DAG) is trending as investors focus on its potential as a specialized data-validation layer, particularly through its recent merger agreement with AI holding company AIAI and its history of contracts with U.S. government and defense agencies. The community is actively weighing the long-term utility of the Hypergraph architecture against the risks of a slow retail rollout, with many highlighting potential enterprise integration with major cloud providers as the primary catalyst for future growth.

Cingulate, Inc. operates as a clinical stage bio pharmaceutical company using a Precision Timed Release drug delivery platform technology to build a pipeline of next-generation pharmaceutical products. The firm initially focused on the treatment of Attention Deficit/Hyperactivity Disorder (ADHD). It identifies and evaluates additional therapeutic areas, PTR technology employed to develop future product candidates. Cingulate was founded by Shane J. Schaffer, Craig Steven Gilgallon, Raul R. Silva, Matthew N. Brams in May 2012 and is headquartered in Kansas City, KS.

Cingulate Inc

Cingulate is seeing intense market activity as investors position themselves for a series of high-stakes catalysts, including an imminent U.S. patent approval and a PDUFA decision for its ADHD treatment in late May. The community is actively discussing the stock's low float and the potential for a significant run, drawing parallels to its previous price action and highlighting strong institutional interest.

Tencent Music Entertainment Group engages in the business of operating online music entertainment platforms to provide music streaming, online karaoke, and live streaming services. Its product brands include QQ Music, Kugou Music, Kuwo Music, and WeSing. The company was founded on June 6, 2012 and is headquartered in Shenzhen, China.

Tencent Music Entertainment Group - ADR

Tencent Music Entertainment Group

Tencent Music Entertainment Group (TME) is seeing increased investor attention as market sentiment shifts following favorable financial results and sustained earnings growth. The stock is currently trending due to active discussions regarding its strong valuation compared to international streaming peers, persistent share buyback programs, and strategic focus on monetizing its user base through subscription services.

Atour Lifestyle Holdings Ltd. engages in the development of lifestyle brands around hotel. Its brands includes: Atour Hotel, Atour S, Atour Light, Atour X Hotel, ZHOTEL and A.T. House. The company was founded by Hai Jun Wang on April 10, 2012 and is headquartered in Shanghai, China.

Atour Lifestyle Holdings Ltd - ADR

Atour Lifestyle Holdings is surging on optimism surrounding China's easing of COVID-19 restrictions, fueling investor excitement around its hospitality network expansion and retail product growth. The community is buzzing with speculation about potential short-term volatility, with many traders closely monitoring volume spikes and technical breakout patterns as the stock gains traction as a momentum play.

Tandem Diabetes Care, Inc. engages in the design, development, and commercialization of products for people with insulin-dependent diabetes. Its products include Tandem Mobi System and t:slim X2 Insulin Pump. The company was founded by Paul M. DiPerna on January 27, 2006 and is headquartered in San Diego, CA.

Tandem Diabetes Care Inc

Tandem Diabetes is currently trending as investors react to a significant revenue beat and reaffirmed full-year sales guidance, with community sentiment shifting between optimistic growth potential and concerns over competitive pressure. Many traders are actively monitoring the stock's recent volatility and potential as a long-term acquisition target, while others debate the impact of new technology launches on its market share.

Bitwise XRP ETF - Common Shares Of Beneficial Interest

Bitwise XRP ETF

NVIDIA Corp. engages in the design and manufacture of computer graphics processors, chipsets, and related multimedia software. It operates through the following segments: Graphics Processing Unit (GPU) and Compute & Networking. The Graphics segment includes GeForce GPUs for gaming and PCs, the GeForce NOW game streaming service and related infrastructure, Quadro and NVIDIA RTX GPUs for enterprise workstation graphics, virtual GPU, or vGPU, software for cloud-based visual and virtual computing, automotive platforms for infotainment systems, and Omniverse Enterprise software for building and operating metaverse and 3D internet applications. The Compute & Networking segment consists of Data Center accelerated computing platforms and end-to-end networking platforms including Quantum for InfiniBand and Spectrum for Ethernet, NVIDIA DRIVE automated-driving platform and automotive development agreements, Jetson robotics and other embedded platforms, NVIDIA AI Enterprise and other software, and DGX Cloud software and services. The company was founded by Jen Hsun Huang, Chris A. Malachowsky, and Curtis R. Priem in April 1993 and is headquartered in Santa Clara, CA.

NVIDIA Corp

NVIDIA is seeing high volatility following the GTC keynote, where CEO Jensen Huang revealed a $1 trillion revenue outlook for its Blackwell and Vera Rubin platforms through 2027. Despite the massive long-term demand visibility and new partnerships with Uber and global automakers, the stock is experiencing significant intraday price swings as retail call buyers and institutional market makers navigate the high volume of options activity.

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Actinium Pharmaceuticals, Inc. to Present Two Abstracts at the 2026 AACR Annual Meeting

Actinium Pharmaceuticals, Inc. to Present Two Abstracts at the 2026 AACR Annual Meeting Actinium Pharmaceuticals, Inc. to Present Two Abstracts at the 2026 AACR Annual Meeting PR Newswire NEWYORK...

Are Medical Stocks Lagging  Actinium Pharmaceuticals (ATNM) This Year?

Here is how Actinium Pharmaceuticals (ATNM) and Collegium Pharmaceutical (COLL) have performed compared to their sector so far this year.

<ul class="summary-bullets"><li>The company’s latest research shows ATNM-400 achieving substantial tumor-growth suppression.</li><li>The therapy targets a validated antigen overexpressed in breast cancer and other solid tumors, such as Prostate Cancer and Non-Small Cell Lung Cancer.</li><li>Researchers observed that ATNM-400 induced irreversible DNA damage.</li></ul>Actinium Pharmaceuticals, Inc. (ATNM) stock was in the spotlight on Friday after the company announced promising new preclinical findings for its novel radiotherapy, ATNM-400, at the 2025 San Antonio Breast Cancer Symposium (SABCS).&nbsp;The Actinium-225 (Ac-225) antibody radioconjugate demonstrated strong anti-tumor activity across multiple breast cancer models, including hormone receptor–positive (HR+), triple-negative (TNBC), and treatment-resistant tumors.<h2 class="st-heading-2">ATNM-400’s Broad Potential</h2>The company’s latest research shows ATNM-400 achieving substantial tumor-growth suppression with minimal side effects in preclinical studies.&nbsp;The therapy targets a validated antigen overexpressed in breast cancer and other solid tumors, such as Prostate Cancer and Non-Small Cell Lung Cancer (NSCLC), positioning ATNM-400 as a potential pan-tumor radiotherapy solution.Following the update,&nbsp;<a href="https://stocktwits.com/symbol/ATNM">Actinium’s stock</a> traded over 3% higher in Friday’s premarket. On Stocktwits, retail sentiment around the stock remained in ‘neutral’ territory amid ‘normal’ message volume levels.&nbsp;<h2 class="st-heading-2">Effectiveness Against Resistant Cancer Types</h2>ATNM-400 displayed potent cytotoxic effects in models resistant to standard-of-care treatments, including trastuzumab-resistant BT474-Clone5 and tamoxifen-resistant MCF7-Tam1 cells. Combining ATNM-400 with conventional therapies like trastuzumab or tamoxifen enhanced tumor regression in preclinical models."Patients whose tumors progress after endocrine therapy or HER2-targeted therapies face limited and often toxic treatment options. The data presented at SABCS show that ATNM-400 generates potent, targeted DNA damage even in highly resistant breast cancer models, while maintaining a favorable tolerability profile,” said&nbsp;Aditya Bardia, Program Director, Breast Medical Oncology at Geffen School of Medicine, University of California, Los Angeles.Researchers observed that ATNM-400 induced irreversible DNA damage, marked by elevated phosphorylation of H2AX (pH2AX) and AKT (pAKT), consistent with alpha-particle–driven double-strand DNA breaks.&nbsp;ATNM stock has gained over 17% year-to-date.Also See:&nbsp;<a href="https://stocktwits.com/news-articles/markets/equity/nvidia-weighs-boosting-h200-ai-chip-production-report/cLICS1gREF8">Nvidia Weighs Boosting H200 AI Chip Production: Report</a>For updates and corrections, email newsroom[at]stocktwits[dot]com.

In this photo illustration, the Actinium Pharmaceuticals, Inc. logo is displayed on the screen of a tablet. 

Why Is Actinium Pharmaceuticals Stock Rising Today? 

The Actinium-225 (Ac-225) antibody radioconjugate demonstrated strong anti-tumor activity across multiple breast cancer models.

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The Actinium-225 (Ac-225) antibody radioconjugate demonstrated strong anti-tumor activity across multiple breast cancer models.


Are Medical Stocks Lagging  Alpha Cognition Inc. (ACOG) This Year?

Here is how Alpha Cognition Inc. (ACOG) and Actinium Pharmaceuticals (ATNM) have performed compared to their sector so far this year.

Is Alpha Cognition Inc. (ACOG) Stock Outpacing Its Medical Peers This Year?

Is Armata Pharmaceuticals (ARMP) Stock Outpacing Its Medical Peers This Year?

Here is how Armata Pharmaceuticals, Inc. (ARMP) and Actinium Pharmaceuticals (ATNM) have performed compared to their sector so far this year.

Is Actinium Pharmaceuticals (ATNM) Stock Outpacing Its Medical Peers This Year?

Here is how Actinium Pharmaceuticals (ATNM) and Avadel (AVDL) have performed compared to their sector so far this year.

Regencell Bioscience Holdings Ltd (3,500% Jump in Message Volume)Hong Kong-based Regencell focuses on traditional Chinese medicine for neurocognitive disorders, particularly ADHD and autism. Reports suggest its recent rally was fueled by insider buying, with insiders owning 81% of the company.&nbsp;However, a Stocktwits&nbsp;<a href="https://stocktwits.com/news-articles/markets/equity/rgc-stock-more-than-triples-this-year/ch7KEpeRbcl">poll</a> indicates retail traders remain skeptical, with some flagging it as a potential pump-and-dump risk.&nbsp;The stock has surged 1,054% this year.GlucoTrack Inc. (2,800% Jump in Message Volume)GlucoTrack develops non-invasive glucose monitoring devices. It announced that safety and performance data from its first-in-human trial of a long-term continuous blood glucose monitoring (CBGM) system will be presented at the 2025 ATTD conference.&nbsp;CEO Paul V. Goode highlighted its potential for real-time glucose monitoring without on-body wearables, calling it a transformative step in diabetes management.&nbsp;GlucoTrack stock is down over 96% year-to-date (YTD).TC Biopharm (Holdings) Plc (1,300% Jump in Message Volume)TC Biopharm&nbsp;<a href="https://stocktwits.com/symbol/TCBP">received</a> a Nasdaq delisting notice due to its share price falling below $1. Trading will be suspended on Monday, with its American depository shares expected to move to OTC Markets.&nbsp;The company is also shifting to a contract development and manufacturing organization (CDMO) model, cutting about 50% of its workforce to reduce operational burn by 55%. This is projected to save $2.1 million in 2025 and $4.2 million annually.&nbsp;The stock is down over 95% YTD.AbbVie Inc. (700% Jump in Message Volume)Erste Group upgraded AbbVie to ‘Buy’ from ‘Hold’, according to The Fly, citing strong sales growth projections through 2029, supported by upcoming product launches. The research firm expects earnings per share (EPS) to rise significantly in 2025, ranging from $12.12 to $12.32.&nbsp;AbbVie recently agreed to acquire a next-gen obesity drug from Denmark-based Gubra A/S for up to $2.2 billion, boosting sentiment.&nbsp;The stock is up over 17.5% YTD.Actinium Pharmaceuticals Inc. (600% Jump in Message Volume)Actinium is launching trials for its drug Actimab-A in combination with Merck’s Keytruda and Bristol Myers Squibb’s Opdivo to treat solid tumors. The trials will include head-to-head studies comparing Actimab-A combinations to standalone treatments.&nbsp;The company also entered a research agreement with Memorial Sloan Kettering to expand Actimab-A’s applications.&nbsp;Actinium stock is up over 22% YTD.For updates and corrections, email newsroom[at]stocktwits[dot]com.

A person examines financial data on a screen displaying a graph with upward and downward trends, using a pen to trace the line chart. | Representative Image: Getty Images

Regencell, GlucoTrack, TC Biopharm, AbbVie, Actinium: 5 Health Care Stocks That Lit Up Retail Discussions Last Week

Investors reacted to insider buying, clinical trial updates, and strategic business shifts that happened in the week ended March 21, 2025.

Actinium Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company, which engages in the development of novel targeted therapies. It also develops and markets medicines for relapsed or refractory cancer patients. The company was founded in 2000 and is headquartered in New York, NY.

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