On July 27, the Philadelphia Semiconductor Index fell by 5.02%. Nvidia's stock price decreased by 4.03%, TSMC's stock price dropped by 3.47%, Broadcom's stock price declined by 2.02%, SK Hynix's stock price fell by 9.73%, Micron Technology's stock price decreased by 6.97%, Advanced Micro Devices' stock price dropped by 8.51%, ASML's stock price fell by 7.3%, Intel's stock price decreased by 5.38%, Lam Research's stock price dropped by 7.45%, and ARM's stock price fell by 3.02%. Micron Technology dropped by 6.94%, SK Hynix fell by 9.39%, SanDisk decreased by 13.79%, Western Digital dropped by 9.28%, Seagate Technology fell by 8.09%, and Kioxia ADR decreased by 6.65%.
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US Stocks in AI Hardware Plummet: Philadelphia Semiconductor Index Falls 5%, SK Hynix Drops Nearly 10%
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Micron Technology's Market Value Falls Below $1 Trillion
On July 27, Micron Technology (MU.O) saw its stock price drop over 4%, closing at $88.10 per share, with a total market value of $994 billion. -
BitMine Increases ETH Holdings by 9,946 and Repurchases 6.1 Million Shares
As of July 26, Eastern Time, BitMine's total cryptocurrency and cash holdings, along with its 'Moon Landing Plan,' amount to $11.8 billion. BitMine holds 5,787,414 ETH (an increase of 9,946 ETH from last week), which represents 4.8% of the total Ethereum supply of 120.7 million ETH. Additionally, it holds 207 BTC, shares in Beast Industries worth $180 million, $61 million in Eightco Holdings (NASDAQ: ORBS), and $268 million in unsecured cash. BitMine Chairman Tom Lee stated that over the past week, BitMine repurchased 6.1 million shares of common stock, an increase from the 5.5 million shares repurchased the previous week. As of July 26, 2026, the total amount of staked ETH by BitMine is 4,917,189 ETH, valued at $9.6 billion based on an ETH price of $1,948. -
BTC Falls Below $65,000
Market data shows that BTC has fallen below $65,000, currently priced at $64,998.27, with a 24-hour increase of 0.66%. The market is experiencing significant volatility, so please ensure proper risk management. -
Strategy Did Not Increase Bitcoin Holdings Last Week
On July 27, Strategy did not increase its Bitcoin holdings last week, and its dollar reserves rose to $3.75 billion, an increase of $525 million. -
Strategy Plans to Raise $544.5 Million via ATM and Repurchase $25 Million in STRC Preferred Stock
On July 27, according to an 8-K filing submitted by Strategy to the U.S. SEC, the company did not purchase any Bitcoin from July 20 to 26, 2026, maintaining a holding of 843,775 coins with a total holding cost of approximately $63.69 billion, at an average price of about $75,476. During the same period, the company sold 5.4292 million shares of MSTR common stock through its ATM plan, raising approximately $544.5 million; additionally, it repurchased 288,930 shares of STRC preferred stock for $25 million, leaving a remaining balance of about $975 million for the preferred stock repurchase plan. As of July 26, the company's dollar reserve balance was $3.75 billion, an increase of about $525 million from the previous week, sufficient to cover approximately 2.1 years of preferred stock dividend expenses. -
Jensen Huang Announces Formation of Open Security AI Alliance to Enhance Cyber Defense with Open Source Models
On July 27, Jensen Huang, founder and CEO of NVIDIA, posted again on the X platform, stating that attackers have mastered cutting-edge AI, and that defenders need a 'cutting-edge AI ecosystem' composed of both open-source and closed-source advanced models, amplified by the global community to enhance defense capabilities. He mentioned that during the recent Hugging Face security incident, some closed-source AI hindered critical forensics, while open-weight advanced models played a role in mitigating intrusions. Therefore, he decided to promote the establishment of the Open Security AI Alliance. Previously, NVIDIA (NVDA.O) collaborated with Palantir, IBM, CrowdStrike, SpaceX, and Hugging Face to form the 'Open Security AI Alliance' aimed at strengthening the security of open-source AI. -
U.S. Optical Communication Concept Stocks Rise in Pre-market, Lumentum and Marvell Up Over 3%
On July 27, reversing the decline last Friday, U.S. optical communication concept stocks collectively rose in pre-market trading. Among them, Credo Technology rose 5%; AXT Inc, Tower Semiconductor, POET Technologies, MaxLinear, and Applied Optoelectronics rose over 4%; Coherent, Lumentum, Lightwave Logic, Astera Labs, Marvell Technology, and Clena rose over 3%; GlobalFoundries, Corning, and Broadcom rose over 2%. -
US memory chip stocks rise pre-market, SK Hynix up 6%, SanDisk up over 4%
On July 27, reversing the collective sharp decline from last Friday, US memory chip stocks rose collectively in pre-market trading today. Among them, SK Hynix rose 6%, SanDisk and Western Digital rose over 4%, Silicon Motion, Micron Technology, and Seagate Technology rose over 3%, and Rambus rose over 2%. -
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