No. 1 in U.S. stock trading volume on Wednesday $Micron Technology (MU.US)$ Closed up 2.75%, with trading volume of $24.274 billion.
Bernstein, one of Wall Street's major investment banks, recently released a research report stating that the semiconductor industry is experiencing a seasonal downturn as expected by the market. However, demand for semiconductors related to AI computing infrastructure—particularly pricing and demand for next-generation HBM memory systems closely tied to AI infrastructure, as well as data center server-grade DRAM/NAND memory chips—remains exceptionally strong. Citing data from the Semiconductor Industry Association (SIA), Bernstein noted that July is traditionally a slow month for semiconductor sales. Global semiconductor sales fell 9.5% month-on-month, slightly weaker than the historical seasonal average decline of 8.5%, but still posted a year-on-year growth of 131.4%.
2nd place$Meta Platforms (META.US)$Closed up 6.55%, with trading volume of $23.019 billion.
On September 8, Meta officially launched Muse, a 24/7 personal AI assistant powered by cloud-based virtual machines. The system features round-the-clock operation, nightly reflection capabilities, and proactive planning functions. Regarding its business model, Meta provides 100 million tokens free of charge each week, with plans to generate revenue by facilitating commercial transactions for users and charging a "micro-commission." To ensure data security, Meta has recruited the founder of Signal to develop a highly confidential virtual machine architecture.
Ranked 3rd $Apple (AAPL.US)$ Closed down 0.28%, with trading volume of $20.465 billion.
This press conference marks the debut "main showcase" for new CEO Tenus. The foldable iPhone Duo features a 7.6-inch inner display and is the thinnest iPhone when unfolded. It supports the Apple Pencil, with a starting price of $1,999 in the U.S., CNY 15,999 in mainland China, and HKD 17,499 in Hong Kong. Apple will open pre-orders for the mainland China version at 8:00 PM on October 16, with official sales commencing on October 23.
The iPhone 18 Pro is equipped with the new version of Siri and boasts the longest battery life in the iPhone lineup, with the Pro Max model offering up to 45 hours of video playback. The camera system has seen significant upgrades, featuring a 48-megapixel main sensor with a variable aperture for the first time. The A20 Pro chip, built on a 2-nanometer process with a 32-core NPU, features optimized thermal management, delivering a 40% improvement in sustained performance over the A19 Pro. The Apple Watch Series 12 introduces the Siri Recall feature, with a starting price of $399. The AirPods 5 now include active noise cancellation, starting at $129.
Ranking fourth,$SpaceX (SPCX.US)$Closed down 3.86%, with trading volume of $17.894 billion.
Approximately 7% of insider shares eligible for early lock-up expiration—about 319 million shares—became available for sale on Wednesday, with potential insider selling pressure reaching up to USD 47.2 billion.
Ranked 5th$NVIDIA (NVDA.US)$Closed down 0.91%, with trading volume of $17.765 billion.
$NVIDIA (NVDA.US)$ NVIDIA is scheduled to appear at the Goldman Sachs Communacopia + Technology Conference on September 10. The company's executive team may use this opportunity to discuss its corporate strategy, market demand, and financial outlook, making it a potentially significant day for investors.
Over the past year, NVIDIA's share price rose by 34%, and by 21% since the beginning of 2026, while the corresponding gains for the same periods$S&P 500 Index (.SPX.US)$were 18.3% and 12.3%, respectively.
Ranked 9th $Alphabet-A (GOOGL.US)$ Closed down 2.28%, with trading volume of $10.903 billion.
Alphabet, the parent company of Google, plans to invest at least €13 billion in Finland over the next two years to build new data centers and expand existing facilities in Hamina, marking its largest single investment in Europe. The project will leverage Finland’s carbon-free energy and grid advantages, complemented by wind power, energy storage, and waste heat recovery systems. Google estimates that the construction phase will support more than 37,000 jobs, while operations will sustain approximately 7,000 jobs annually thereafter.
Ranked 15th $SK hynix (SKHY.US)$ Closed up 7.05%, with trading volume of $5.871 billion.
JPMorgan assigns an Overweight rating to SK Hynix, with a target price of $245.
S&P Global Market Intelligence forecasts that SK Hynix is likely to announce a new share buyback plan ranging from KRW 20 trillion to KRW 40 trillion in the fourth quarter of this year. Buoyed by this news, its ADRs surged more than 6% on Tuesday, while its shares listed in South Korea rose by as much as 5% on Wednesday. S&P noted that, together with Samsung Electronics' cancellation of treasury shares and massive dividend payouts, these two giants are poised to set new benchmarks for corporate governance in the South Korean capital market, helping to resolve the long-standing "Korea discount" dilemma.
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Editor/Liam