NVIDIA, ranked first in Friday's US stock trading volume, closed down 2.98%, with a turnover of $33.728 billion. Citing informed sources, media reports indicate that US officials have drafted regulations aimed at restricting the global shipment of AI chips without US approval. The proposed rules would grant Washington broad authority to determine whether, and under what conditions, other countries can build facilities for training and running artificial intelligence models. The proposed regulations would require companies to apply for a US license to export almost all AI accelerators produced by companies like NVIDIA and AMD. This would expand current controls, which cover approximately 40 countries, to a global scale. US officials have repeatedly stated the desire for the world to use American AI technology, and the draft's purpose is not to ban NVIDIA's exports. Instead, these regulations would position the US government as the "gatekeeper" for the AI industry: companies (and in some cases, their host governments) must obtain approval from the US Department of Commerce to purchase these accelerators.
Tesla, the second-highest by trading volume, closed down 2.17%, with a turnover of $25.299 billion. The company's CEO, Elon Musk, testified that he believed data on fake accounts was underestimated at the time. Investors are alleging that his tweets in 2022 depressed Twitter's stock price ahead of its acquisition.
Broadcom, ranked third, closed down 0.69%, with a turnover of $12.863 billion. Following its earnings report, Wall Street analysts praised the chip and software giant's "strong" outlook for 2027, signaling the company's continued heavy investment in the AI sector. Jefferies analyst Blayne Curtis wrote in a client note, "The forecast for a $100+ billion AI market in fiscal 2027 may be conservative, as Broadcom expects to supply 10GW of compute, including over 1GW to its sixth announced customer, OpenAI. AI overspending will persist, but Broadcom has sufficiently demonstrated that its AI revenue will outpace the market average and sustain growth through 2028." Curtis rates Broadcom as "Buy" with a $500 price target.
Micron Technology, ranked fourth, closed down 6.74%, with a turnover of $12.8 billion. The stock fell over 10% for the week. UBS analyst Timothy Arcuri expressed high optimism regarding Micron's prospects, projecting that its calendar year 2027 EPS could potentially challenge $85, significantly above the market consensus of $48. Arcuri noted that tight memory supply, driven by AI demand, has led Micron and other manufacturers to successively increase component prices. He believes Micron may leverage this trend to actively negotiate new long-term agreements. While this might cede some near-term pricing power, such agreements should support more stable revenue and profits in the coming years. Arcuri further analyzed that pricing momentum for DRAM and NAND continues to strengthen, with supply shortages potentially lasting until 2028.
Palantir, ranked sixth, closed up 2.94%, with a turnover of $11.68 billion. The stock gained approximately 15% for the week. The share price increase was driven by a combination of positive factors: a favorable court ruling protecting its intellectual property and employees, new analyst support, and renewed investor interest in the defense/AI sector amid geopolitical tensions. Offsetting these positives were costs and uncertainties stemming from a Pentagon contract dispute with Anthropic, along with headlines about insider selling, factors contributing to the stock's continued high volatility. The court victory strengthened Palantir's intellectual property and talent protections—recently unsealed documents show a judge prohibited a former employee from using Palantir's proprietary data and poaching staff, thereby reducing competitive and operational risks, which helps explain the stock's rise. Piper Sandler reiterated an "Overweight" rating with a $230 price target, while other firms raised their price targets or earnings estimates, supporting the positive price outlook.
SanDisk, ranked ninth, closed down 6.76%, with a turnover of $8.744 billion. The stock declined 17% for the week. Prominent short-seller Citron Research recently announced a short position on the stock, arguing that the market's pricing logic for SanDisk is fundamentally flawed. It contends the current memory chip supply crunch is a "mirage" and that the cycle peak is imminent.
Marvell Technology, ranked eleventh, closed up 18.35%, with a turnover of $7.859 billion. The company reported fourth-quarter revenue that exceeded Wall Street expectations and provided a strong sales forecast for the upcoming quarter. For the fourth quarter of calendar 2025, the company achieved revenue of $2.22 billion, a 22.1% year-over-year increase, slightly surpassing analyst estimates. Adjusted earnings per share were $0.80, matching consensus expectations. The primary driver of the positive investor reaction appeared to be the company's optimistic outlook for the first quarter of 2026. Management projected a midpoint revenue of $2.4 billion for the quarter, significantly higher than the analyst consensus of $2.28 billion, indicating sustained strong demand for its chips used in data centers and communication networks.
AMD, ranked thirteenth, closed down 3.52%, with a turnover of $6.462 billion. The stock fell approximately 3.9% for the week.
Lumentum Holdings, ranked sixteenth, closed down 14.19%, with a turnover of $5.006 billion. The stock declined over 20% for the week. Earlier in the week, NVIDIA announced it would invest $2 billion in optical technology companies Lumentum and Coherent under multi-year agreements. NVIDIA's non-exclusive agreement with Coherent includes multi-billion-dollar purchase commitments and future access to capacity for advanced laser components. Concurrently, NVIDIA will support Lumentum's R&D, future capacity, and operations, aiding its establishment of a new wafer fabrication plant in the US.
Taiwan Semiconductor Manufacturing Company (TSMC), ranked seventeenth, closed down 4.23%, with a turnover of $4.686 billion. The stock fell 9.5% for the week.
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