AI Stocks Whipsaw as Nvidia Stumbles, Alibaba Soars – Key News Aug 30–31, 2025
Nvidia stock fell about 4% despite strong sales, as China risks and high expectations weighed. Dell plunged up to 10% after warning of shrinking AI profit margins. Marvell dropped 18–19% on weak guidance, while Alibaba soared 13% on surging AI cloud revenue and a new data center chip. The PHLX Semiconductor Index lost about 3% amid a broad tech selloff.