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Fastly, Inc. provides real-time content delivery network services. It offers edge compute, edge delivery, edge security, edge applications like load balancing and image optimization, video on demand, and managed edge delivery. The company was founded by Artur Bergman, Tyler McMullen, Simon Wistow, and Gil Penchina in March 2011 and is headquartered in San Francisco, CA.

Fastly Inc - Ordinary Shares - Class A

Fastly Inc

Fastly is experiencing extreme volatility and a sharp sell-off following its recent quarterly financial results, with the community actively debating whether the decline is an overreaction to record-breaking revenue or a necessary market correction. Many investors are currently focused on whether this drawdown presents a buying opportunity, while others remain skeptical and caution against catching a falling knife.

ImmunityBio, Inc. is a clinical stage immunotherapy company. It develops next generation therapies that drive immunogenic mechanisms for defeating cancers and infectious diseases. The company's immunotherapy platform activates both the innate and adaptive immune systems to create long term immunological memory. ImmunityBio was founded by Patrick Soon-Shiong in 2014 and is headquartered in San Diego, CA.

ImmunityBio Inc

ImmunityBio is attracting significant community attention as traders anticipate a pivotal regulatory decision regarding the sBLA filing for Anktiva, while monitoring recent earnings performance and international expansion efforts. The broader discussion is dominated by debates over non-cash accounting adjustments in the latest financial report and expectations for upcoming clinical data presentations.

Atara Biotherapeutics, Inc. is an allogeneic T-cell immunotherapy company, which engages in the development of transformative therapies for patients with serious diseases including solid tumors, hematologic cancers, and autoimmune diseases. It also delivers off-the-shelf treatments to patients with high unmet medical need. Its product pipeline includes Tab-cel, ATA188, ATA2271/ATA3271, and ATA3219. The company was founded by Isaac E. Ciechanover on August 22, 2012 and is headquartered in Thousand Oaks, CA.

Atara Biotherapeutics Inc

Atara Biotherapeutics is trending as investors react to a significant regulatory update regarding a potential FDA path forward for tabelecleucel, with the community actively debating the company's financial position and the likelihood of future capital raises. Traders are highlighting intense volatility and high volume as they monitor the stock's technical performance and assess the risk-reward profile ahead of upcoming regulatory milestones.

Fluence Energy, Inc. engages in energy storage products and services, and artificial intelligence-enabled digital applications for renewables and storage. Its storage includes Smartstack, Gridstack Pro, Grisdtack, and Ultrastack. The company was founded on June 21, 2021, and is headquartered in Arlington, VA.

Fluence Energy Inc - Ordinary Shares - Class A

Fluence Energy is seeing significant market interest as investors weigh its record $5.6 billion backlog and growing data center hyperscaler partnerships against ongoing profitability challenges. The community is actively debating whether the recent momentum represents a genuine re-rating of the company's long-term infrastructure potential or continued execution risk.

Arm Holdings Plc engages in the licensing, marketing, research, and development of microprocessors, systems IP, graphics processing units, physical IP and associated systems IP, software, and tools. It operates through the following geographical segments: United Kingdom, United States, and Other Countries. The company was founded on November 12, 1990 and is headquartered in Cambridge, the United Kingdom.

Arm Holdings plc. - ADR

Arm Holdings Plc.

Arm Holdings is experiencing extreme market volatility as investors weigh strong AI-driven demand and long-term revenue potential against supply chain constraints and a stretched valuation. While the community remains deeply divided between long-term bulls betting on the company's role as the architectural backbone of AGI and skeptics warning of a speculative bubble, price action continues to be driven by aggressive rotation and institutional profit-taking following recent earnings.

TSS, Inc. engages in the provision of comprehensive services for the planning, design, development and maintenance of mission-critical facilities and information infrastructure as well as integration services. It operates through the Facilities and Systems Integration Services business segments. The Facilities segment consists of the design, project management, and maintenance of data center and mission-critical business operations. The Systems Integration segment integrates information technology equipment for original equipment manufacturer vendors and customers to be used inside data center environments, including modular data centers. The company was founded by Gerard J. Gallagher on December 20, 2004 and is headquartered in Georgetown, TX.

TSS Inc

TSSI is trending following an earnings report that showcased record-breaking revenue and profit growth, sparking intense community debate over whether the stock is undervalued or a temporary pump-and-dump. While bullish investors point to a massive AI infrastructure backlog and strategic partnerships with Dell as catalysts for a potential re-rate, skeptics are actively highlighting the lack of explicit revenue guidance and aggressive price volatility as reasons to lock in profits.

Amprius Technologies, Inc. engages in the development, manufacture, and market of lithium-ion batteries for mobility applications, including the aviation, electric vehicle and light electric vehicle industries. It operates through the following geographical segments: North America, EMEA, and Asia Pacific. The company was founded by Mark C. Platshon in 2008 and headquartered in Fremont, CA.

Amprius Technologies Inc

Amprius Technologies is trending due to a combination of strong institutional interest, strategic warrant exchanges aimed at reducing dilution, and a bullish growth outlook tied to its silicon anode battery technology for the drone and electric mobility sectors. The community remains focused on the company's long-term potential and operational milestones, often interpreting recent price volatility as a buying opportunity rather than a shift in fundamental strength.

United States Oil Fund LP - United States Oil Fund

United States Oil Fund

The United States Oil Fund is trending as investors react to high-stakes speculation surrounding ongoing diplomatic and military maneuvers in the Strait of Hormuz. The community is actively debating the credibility of reported peace framework negotiations versus potential escalation, with many traders closely monitoring for signs of market manipulation and insider activity around the conflict.

Rocket Lab Corp. engages in the development of rocket launch and control systems for the space and defense industries. It operates through the Launch Services and Space Systems segments. The Launch Services segment provides launch services to customers on a dedicated mission or ride-share basis. The Space Systems segment consists of spacecraft engineering and design services, spacecraft components, spacecraft manufacturing, and on-orbit mission operations. The company was founded by Peter Beck in 2006 and is headquartered in Long Beach, CA.

Rocket Lab Corp.

Rocket Lab USA Inc

Rocket Lab is currently the center of intense investor focus as the community anticipates strong Q1 earnings and potential updates regarding the Neutron rocket, hypersonic defense contracts, and strategic acquisitions like Mynaric. Traders are closely monitoring these developments alongside broader sector rotation, with many viewing current price fluctuations as a consolidation phase before a potential rally fueled by the company's expanding backlog and pivotal role in U.S. national security infrastructure.

Pagaya Technologies Ltd. engages in the development of AI and data networks for the financial industry. Its product deploys data science, machine learning and AI technology to evaluate the customers' applications in real time. The company was founded by Gal Krubiner, Sanjiv Das, Yahav Yulzari, and Avital Pardo on March 20, 2016 and is headquartered in New York, NY.

Pagaya Technologies Ltd - Ordinary Shares - Class A

Pagaya Technologies Ltd

Pagaya Technologies is trending as investors weigh strong profitability and recent AAA-rated bond successes against broader geopolitical tensions and volatility in the fintech sector. While the community is actively debating the company's valuation gap compared to peers, sentiment remains divided between those expecting a potential short squeeze around upcoming earnings and skeptics focused on institutional insider selling.

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<ul class="summary-bullets"><li>An attacker minted 1 billion Polkadot tokens and sold them for $237,000 on Monday, using a bridged DOT hack on Ethereum.</li><li>A weakness in a Hyperbridge gateway contract allowed an attacker to gain admin control and mint tokens by reusing a transaction "proof."</li><li>Polkadot indicated that the problem only affects DOT bridges via Hyperbridge, not its original DOT, parachains, or the core network.</li></ul>Polkadot's (DOT) native token, DOT, was bridged on Ethereum (ETH) and&nbsp;reportedly&nbsp;experienced a security issue on Monday. The incident allegedly allowed an attacker to create around 1 billion tokens before selling them in a single transaction.Lookonchain, an on-chain firm that tracks crypto tokens,&nbsp;<a class="st-link-external" target="_blank" rel="noopener noreferrer nofollow" href="https://etherscan.io/tx/0x240aeb9a8b2aabf64ed8e1e480d3e7be140cf530dc1e5606cb16671029401109">shared</a>&nbsp;<a class="st-link-external" target="_blank" rel="noopener noreferrer nofollow" href="https://x.com/lookonchain/status/2043558598111048126?s=20">on X</a> that the attacker walked away with approximately 108.2 ETH, worth over $237,000 at the time. CertiK, another blockchain security firm,&nbsp;<a class="st-link-external" target="_blank" rel="noopener noreferrer nofollow" href="https://x.com/CertiKAlert/status/2043557571609731268?s=20">confirmed</a> that the issue was an exploit of the Hyperbridge gateway contract, which connects Polkadot to Ethereum.<figure class="image"><a class="st-link-external" href="https://x.com/lookonchain/status/2043558598111048126?s=20" target="_blank" rel="noopener noreferrer nofollow"><img src="https://news.stocktwits-cdn.com/Screenshot_2026_04_13_at_5_46_50_AM_png_ecc8a481fe.webp" alt="Screenshot 2026-04-13 at 5.46.50 AM.png" width="798" height="1146"></a><figcaption>Lookonchain's post on Polkadot exploit. Source: @lookonchain/x</figcaption></figure>The attacker reused a valid “proof” from an earlier transaction instead of creating a new one, said Certik. As a result, they gained control of the admin position associated with a Polkadot token contract on Ethereum, enabling large-scale token minting.<figure class="image"><a class="st-link-external" href="https://x.com/CertiKAlert/status/2043557571609731268?s=20" target="_blank" rel="noopener noreferrer nofollow"><img src="https://news.stocktwits-cdn.com/Screenshot_2026_04_13_at_5_48_17_AM_png_16f9c894c3.webp" alt="Screenshot 2026-04-13 at 5.48.17 AM.png" width="796" height="662"></a><figcaption>Certik on Polkadot explot. Source: @<a class="st-link-external" target="_blank" rel="noopener noreferrer nofollow" href="https://x.com/CertiKAlert">CertiKAlert</a>/x</figcaption></figure>Polkadot has since acknowledged the issue. The team&nbsp;<a class="st-link-external" target="_blank" rel="noopener noreferrer nofollow" href="https://x.com/Polkadot/status/2043594321836884446?s=20">clarified</a> on X that the attack only affects DOT tokens connected to Ethereum via Hyperbridge. However, the team said that Polkadot, its parachains, and native DOT are unaffected. Furthermore, DOT transfers via alternative bridging devices have not been affected. Hyperbridge has been temporarily halted while investigations are ongoing.<img src="https://news.stocktwits-cdn.com/Screenshot_2026_04_13_at_5_47_30_AM_png_535abc5964.webp" alt="Screenshot 2026-04-13 at 5.47.30 AM.png">At the time of writing,&nbsp;<a href="https://stocktwits.com/coins/polkadot">Polkadot’s price</a> was down over 3%. Meanwhile, on a technical level, DOT's continuous decline is approaching a crucial stage, with the risk of falling below&nbsp;$1. On Stocktwits, retail sentiment around DOT remained in the ‘bearish’ zone, while chatter around it stayed at ‘high’ levels over the past day.<figure class="image"><img src="https://news.stocktwits-cdn.com/Screenshot_2026_04_13_at_5_51_45_AM_png_d089c04a01.webp" alt="Screenshot 2026-04-13 at 5.51.45 AM.png" width="942" height="108"><figcaption>DOT retail sentiment and message volume on April 13 as of 5:52 a.m. ET | Source: Stocktwits</figcaption></figure><a href="https://stocktwits.com/coins/ethereum">Ethereum’s price</a>, on the other hand, was trading at $2,182, down over 1%. On Stocktwits, retail sentiment around ETH changed to ‘bullish’ from ‘neutral’ zone, while chatter remained at ‘high’ levels over the past day.<figure class="image"><img src="https://news.stocktwits-cdn.com/Screenshot_2026_04_13_at_4_53_38_AM_png_e399b96b8e.webp" alt="Screenshot 2026-04-13 at 4.53.38 AM.png" width="480" height="283"><figcaption>ETH retail sentiment on April 13 as of 5:52 a.m. ET | Source: Stocktwits</figcaption></figure><h2 class="st-heading-2">Dangers In Bridging Infrastructure</h2>The event was&nbsp;another example of&nbsp;the ongoing security dangers in cross-chain infrastructure. Bridges are among the most vital components of the crypto industry's infrastructure, yet they remain vulnerable to attack. Attackers are increasingly targeting message verification and admin controls. Wrapped and bridged assets are still at risk, even if the main chain is safe.A 2025 exploit cost Radiant Capital, a cross-chain lending mechanism, about $50 million. The attack targeted Ethereum's ecosystem, including EVM-compatible networks and cross-chain infrastructure like Arbitrum (ARB) and BNB Chain (BNB). The attacker exploited chain-verification flaws to withdraw funds without collateral.Read also:<a href="https://stocktwits.com/news-articles/markets/cryptocurrency/wall-street-veteran-says-bitcoin-is-entering-its-strongest-regime-yet/cZJjYxrRIMa"> ‘The Strongest Regime For Bitcoin’ Is When CPI Runs Above Short-Term Yields, And A Former Wall Street Strategist Says We're Almost There</a>For updates and corrections, email newsroom[at]stocktwits[dot]com.

Polkadot cryptocurrency logo displayed on a phone screen and representation of cryptocurrency are seen in this illustration photo taken in Krakow, Poland on November 2, 2021. (Photo by Jakub Porzycki/NurPhoto via Getty Images)

Ethereum-Based Polkadot Token Exploit Sees 1B Tokens Minted In Hyperbridge Attack

Radiant Capital's 2025 vulnerability is another testament to how cross-chain architectures remain among the most vulnerable to attack.

How 1 Billion Fake Polkadot Tokens Were Minted – And Cashed Out For $237K

Cryptocurrency

Radiant Capital's 2025 vulnerability is another testament to how cross-chain architectures remain among the most vulnerable to attack.


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