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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 caught in a sharp AI and semiconductor selloff as traders worry that election-driven resistance to data-center construction could slow infrastructure spending and chip demand. The community is divided between viewing the move as an overreaction to political uncertainty, with AI demand still intact, and seeing it as a broader repricing of an overheated AI trade and its financing risks.

Applied Optoelectronics, Inc. engages in the design and manufacture of optical communications products. Its products include optical devices, such as laser diodes, photodiodes, related modules and circuitry, and equipment for applications in fiber-to-the-home, cable television, point to point communications, and wireless. The company was founded by Chih Hsiang Lin on February 28, 1997 and is headquartered in Sugar Land, TX.

Applied Optoelectronics Inc

AAOIs earnings-driven selloff dominates discussion: despite strong revenue and EPS growth, traders focused on fourth-quarter revenue guidance below expectations and delays to U.S. capacity expansion, alongside broader weakness in AI-linked stocks. Bulls view the decline as an overreaction given data-center demand and a new hyperscaler agreement, while bears question execution, margins and the growth outlook.

DraftKings, Inc. is a digital sports entertainment and gaming company, which engages in the provision of online sports betting, online casino, daily fantasy sports product offerings, DraftKings Marketplace, retail sportsbook, media, and other consumer product offerings. The company was founded by Jason D. Robins, Matthew Kalish, and Paul Liberman on December 31, 2011 and is headquartered in Boston, MA.

DraftKings Inc. - Ordinary Shares - Class A

DraftKings Inc

DraftKings Q3 results missed expectations and the company cut its full-year outlook, prompting a sharp selloff and criticism of management. Traders are debating whether heavy investment in its Predictions business and promotional spending can drive future growth or are weighing on profitability, while some remain bullish on customer growth and the platforms potential.

IREN Ltd. is a vertically integrated data center business powering the future of Bitcoin, AI and beyond with renewable energy. It is strategically located in renewable-rich, fiber-connected regions across the US and Canada. IREN’s large-scale, grid-connected facilities are purpose-built for the next generation of power-dense computing applications. The company was founded by Daniel Roberts and William Roberts on November 6, 2018, and is headquartered in Sydney, Australia.

IREN Ltd.

IREN Limited

IRENs quarterly results and conference call are driving discussion: traders point to rapid AI-cloud growth, a larger backlog and new customer contracts, while the rollout of its contracted revenue target has slipped and substantial capital needs remain. The reaction is divided, with bulls emphasizing demand and execution and bears focused on debt, funding and delivery risk amid a sharp selloff in AI-infrastructure stocks.

VanEck ETF Trust - VanEck Semiconductor ETF

VanEck Semiconductor ETF

A sharp semiconductor selloff has focused attention on fears that post-election opposition or regulation could slow data-center construction and weaken AI chipmakers capital-spending outlook; traders also cite crowded positioning and possible forced selling. The community is split between warnings that AI spending and returns may disappoint and dip buyers who view the decline as an overreaction to still-strong demand.

Advanced Micro Devices, Inc. engages in the semiconductor business. Its products include processors, accelerators, graphics, adaptive SoCs, FPGAs, and SOMs, and software, tools, and apps. The firm offers artificial intelligence, industries, workloads, and gaming solutions. The company was founded by W. J. Sanders III on May 1, 1969 and is headquartered in Santa Clara, CA.

Advanced Micro Devices Inc.

Advanced Micro Devices Inc

AMD is drawing attention after plunging with semiconductor and AI-infrastructure stocks as traders reassess whether election-related scrutiny of data centers could slow construction and chip spending. The community is split between viewing the selloff as an overreaction while AI demand remains strong and warning that slower investment or an unwind of the AI trade could keep pressure on shares.

Celsius Holdings, Inc. engages in the development, marketing, sale, and distribution of functional drinks and liquid supplements. It also offers post-workout functional energy drinks and protein bars. The company was founded in April 2004 and is headquartered in Boca Raton, FL.

Celsius Holdings Inc

CELH is drawing attention after reporting better-than-expected third-quarter results, with Alani Nu growth lifting the portfolio while the flagship Celsius brand declined. Traders welcomed the earnings beat but debated whether core-brand weakness and margin pressure could limit the upside, with some attributing the muted share reaction to broader market weakness.

Micron Technology, Inc. engages in the provision of innovative memory and storage solutions. It operates through the following segments: Cloud Memory Business Unit (CMBU), Core Data Center Business Unit (CDBU), Mobile and Client Business Unit (MCBU), and Automotive and Embedded Business Unit (AEBU). The CMBU segment focuses on memory solutions for large hyperscale cloud customers and High-Bandwidth Memory for all data center customers. The CDBU segment is involved in memory solutions for mid-tier cloud, enterprise, and OEM data center customers and storage solutions for all data center customers. The MCBU segment focuses on memory and storage solutions for the mobile and client segments. The AEBU segment is involved in memory and storage solutions for the automotive, industrial, and consumer segments. The company was founded by Ward D. Parkinson, Joseph Leon Parkinson, Dennis Wilson, and Doug Pitman on October 5, 1978 and is headquartered in Boise, ID.

Micron Technology Inc.

Micron Technology Inc

Micron is caught in a broad semiconductor and AI-stock selloff as traders worry that political uncertainty and possible data-center restrictions could slow AI infrastructure spending; forced selling and market-wide weakness appear to have intensified the drop. The community is split between calling the move an overreaction and buying on valuation and continued memory demand, and warning that the decline may deepen if AI spending expectations weaken.

MP Materials Corp. engages in the production and marketing of rare earth specialty materials. It operates through the following segments: Materials and Magnetics. The Materials segment focuses on the operation of Mountain Pass, which produces refined rare earth oxides and related products, as well as rare earth concentrate products. The Magnetics segment is involved in the operation of Independence Facility, where the company began production of magnetic precursor products. The company was founded by James Henry Litinsky and Michael Rosenthal in 2017 and is headquartered in Las Vegas, NV.

MP Materials Corporation

MP is drawing attention amid a steep decline alongside the broader rare-earth and critical-minerals sector, despite traders highlighting a quarterly earnings beat, expected GM magnet deliveries, and strong demand for domestic supply. The community is split between frustration over the selloff and concerns about execution, profitability, and China-related uncertainty, versus long-term optimism about MPs strategic position and government support.

Cloudflare, Inc. engages in the provision of cloud-based services to secure websites. The firm offers various products for application security, performance and reliability, network services, Zero Trust, developer platform, media delivery, insights, domain registration, and consumer services. It operates through the United States and Rest of the World geographical segments. The company was founded by Matthew Prince, Michelle Zatlyn, and Lee Holloway in July 2009 and is headquartered in San Francisco, CA.

Cloudflare Inc - Ordinary Shares - Class A

Cloudflare Inc

Cloudflares quarterly results beat expectations and its outlook topped consensus, sparking an after-hours rally after a sharp session decline. Traders welcomed the growth and guidance but debated whether they justify the premium valuation, with margin compression and ongoing losses drawing bearish concern.

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

Cryptocurrency

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


21shares Polkadot Staking ETF - Common shares of beneficial interest

Neutral Sentiment

<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)

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

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TDOT 21shares Polkadot ETF - Common shares of beneficial interest

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