U.S. Stock Market Top 20 by Trading Value: Alibaba Officially Announces AI Partnership with Nvidia

Tesla, the top stock by trading value on Wednesday, rose 3.98% with $40.124 billion traded. Tesla will release its Q3 vehicle delivery numbers in early October. UBS raised its delivery forecast from 431,000 to 475,000 vehicles, a nearly 10% increase, implying 24% growth from the previous quarter.
UBS noted that Tesla’s push for the updated Model Y and U.S. consumers rushing to use EV tax credits before expiration should drive strong U.S. deliveries.
Nvidia, second in trading value, fell 0.82% with $25.361 billion traded. Reports said Nvidia directors Mark A. Stevens and Persis Drell sold millions in shares, reducing their stakes. Despite the sales, Nvidia remains a key AI player, recently partnering with Alibaba to integrate its AI tools into Alibaba’s cloud platform.
Apple, third in trading value, fell 0.83% with $10.639 billion traded. Reports say Intel is seeking investment from Apple, but talks are early-stage and may not lead to a deal.
Oracle, fifth in trading value, fell 1.71% with $10.072 billion traded. Oracle launched an $18 billion investment-grade bond issuance to fund future investments. S&P Global Ratings affirmed Oracle’s BBB rating with a negative outlook and BBB debt rating.
Alibaba, sixth in trading value, rose 8.19% with $9.291 billion traded. At its September 24 conference, Alibaba officially announced a Physical AI partnership with Nvidia and released seven large model products.
The partnership covers all aspects of Physical AI, including data synthesis, model training, environment simulation reinforcement learning, and model validation testing.
Micron, seventh in trading value, fell 2.82% with $9.158 billion traded. The company said Q1 fiscal 2026 revenue will hit a record $12.5 billion, driven by strong AI demand tightening DRAM supply. CEO Sanjay Mehrotra highlighted a record $37.4 billion fiscal 2025 revenue and leadership in DRAM technology, plus expansion plans in the U.S. and Singapore.
Morgan Stanley gave Micron an Equal-weight rating with a $135 target price.
Google’s Class A shares, ninth in trading value, fell 1.80% with $6.947 billion traded. A U.S. federal court ruled Google must open some core search data to competitors.
Intel, 14th in trading value, rose 6.41% with $4.891 billion traded. Reports say Intel is seeking investment from Apple, but talks are early and unlikely to conclude soon.
Marvell Technology, 17th in trading value, rose 7.33% with $3.976 billion traded.
McMoRan Copper & Gold, 19th in trading value, fell 16.95% with $3.576 billion traded.
The company confirmed that a September 8 mudslide at its Indonesia Grasberg Block Cave mine killed two workers, with five still missing. Production won’t recover to pre-incident levels until 2027 at earliest, with 2026 copper and gold output down 35% from prior forecasts.
