The top traded stock in U.S. markets, Micron Technology (MU.US), closed up 2.97% with a trading volume of $23.292 billion.
Second place: NVIDIA (NVDA.US) closed up 1.38%, with a trading volume of $21.355 billion.
On Monday, October 19, Eastern Time, NVIDIA announced that its researchers conducted a record-breaking fault-tolerant quantum computing simulation using the JUPITER supercomputer at the Jülich Supercomputing Centre in Germany. The focus of this research was not only to scale the simulation to a record 104 qubits, but also to model how quantum processors perform fault-tolerant computations under realistic noise conditions, enabling researchers to evaluate and optimize designs before physical hardware is built.
From October 20 to 22 local time, NVIDIA GTC Berlin 2026 will take place in Berlin, Germany. NVIDIA CEO Jensen Huang will deliver a keynote speech on October 21 at 17:00–19:00 Beijing Time (11:00–13:00 local time), sharing the latest insights on AI technology and industry development.
Third place: Amazon (AMZN.US) closed up 4.98%, with a trading volume of $14.305 billion.
Morgan Stanley has designated it as a "Top Pick" and raised its price target to $350, arguing that the market has significantly underestimated AWS's growth potential and its ability to monetize in the AI era. Morgan Stanley forecasts AWS to achieve 47% year-over-year growth by 2027—a projection substantially higher than general market expectations. Although AWS accounts for only about 21% of Amazon’s revenue, it contributes approximately 60% of the company’s operating profit. In the second quarter, AWS generated $42 billion in revenue and $16.6 billion in operating profit, making it the company’s true profit engine.
According to media reports on October 19 local time, Amazon is launching a new tool called TorchNeuron, enabling developers to run AI code written in PyTorch on Amazon’s custom AI chips without rewriting it. PyTorch, an open-source AI programming framework primarily maintained by social media giant Meta, is used by the majority of AI developers and serves as the “universal language” of AI development.
Currently, NVIDIA dominates the AI chip market, with a large volume of PyTorch code running on its chips.
Rank 4: Tesla (TSLA.US) closed up 3.76%, with a trading volume of $14.139 billion.
Ranked 5th, Apple (AAPL.US) closed down 0.15%, with a trading volume of $11.845 billion.
Apple confirmed on Monday that it will host a product launch event on October 28, during which it plans to officially unveil its first touchscreen MacBook.
According to Bloomberg, the event will be held in Los Angeles under the theme "Pro and tell," echoing the update to the MacBook Pro.
The new touch-enabled MacBooks are expected to feature an interactive interface similar to the iPhone's Dynamic Island, along with a clearer OLED display—both firsts in Mac history.
Rank 6: SanDisk (SNDK.US) closed up 5.53%, with a trading volume of $11.687 billion.
Ranked 7th, Meta Platforms (META.US) closed down 0.55%, with a trading volume of $11.102 billion.
Amid a crisis of confidence in AI-driven trading, Meta Platforms (META.US) will release its third-quarter 2026 earnings after market close on October 21 Eastern Time, becoming the first major tech giant to face market scrutiny in this wave of skepticism. For investors, the key focus of this earnings report will not be revenue, but expenses: whether the full-year capital expenditure guidance remains unchanged, and whether AI investments can be demonstrated to be translating into sustainable revenue growth.
Rank 8: Advanced Micro Devices, Inc. (AMD.US) closed up 1.76%, with a trading volume of $10.933 billion.
Ranked 9th, SpaceX (SPCX.US) rose 1.32%, with a trading volume of $10.93 billion.
SpaceX's third-quarter earnings report has never carried more weight than it does this time. To Wall Street, the results released after hours on Tuesday were not just another stress test of Musk's "AI + space" narrative, but potentially the hidden pricing day for a trillion-dollar merger.
What the market truly cares about is no longer whether SpaceX is profitable, but rather: how this deal will be structured, at what price, and how this earnings report will influence the likelihood of the merger.
Rank 10: Intel (INTC.US) closed up 2.43%, with a trading volume of $9.441 billion.
JPMorgan upgraded Intel's rating from underweight to neutral, citing improved profit expectations driven by strong demand for agent-based AI and tight supply in advanced processes; however, Intel's foundry scale remains far behind TSMC, and its transformation will take several years.
Analyst Harlan Soh stated, “Although there are short-term concerns about the sustainability of AI infrastructure spending, we believe that the growing demand for agent-based AI workloads (CPU-intensive) and the extremely tight supply of leading-edge chips will continue to drive upward revisions to earnings per share expectations through the upcoming earnings season and into fiscal 2027 (our fiscal 2028 EPS forecast is approximately 15% above the market consensus).”
Ranked 13th, CoreWeave (CRWV.US) closed down 0.44% with a trading volume of $6.204 billion.
CoreWeave, a cloud services provider that has recently become a "barometer" of AI trading sentiment, received a buy recommendation from Goldman Sachs on Monday.
Analysts, including Gabriela Borges, upgraded CoreWeave’s rating from “Neutral” to “Buy.” However, Goldman Sachs simultaneously lowered its price target from $139 to $106. Compared to last Friday’s closing price of $61.39, the new target still implies approximately a 73% upside.
Notably, following CoreWeave’s recent dual sell-off in equity and debt markets, institutions including Jefferies, Bank of America, Deutsche Bank, and JPMorgan Chase have repeatedly reaffirmed their bullish stance. JPMorgan Chase believes the concerns are overblown, while Deutsche Bank views the recent decline as a buying opportunity.
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