Nvidia shares' 9% recovery Tuesday was the second-best day in terms of market cap added for any company ever, trailing only a record it set in July.

The success of a mysterious Chinese lab has investors questioning the AI spending boom that has swept through Silicon Valley.

Tuesday’s session followed a start to the week that marked Nvidia’s worst day in years, as a roughly 17% drop led to a loss of nearly $600 billion in market value.

Wall Street's tech giants dragged US frontline indices on Monday after China's AI startup DeepSeek rattled Silicon Valley and hit the top of Apple’s App Store chart

Rebounding tech stocks drove U.S. indexes higher a day after they tumbled on doubts about the artificial intelligence frenzy.

David Shaw's D.E. Shaw bought 5.9 million shares of Nvidia, increasing its position by 53%. Nvidia is now the largest holding. Meanwhile, D.E. Shaw sold 8.7 million shares of Palantir, reducing its stake by 45%.

Nvidia is a leader in AI and gaming tech, but its stock drop has many wondering what’s next. Here’s a look at what Nvidia does and the outlook for 2025

The Chinese company’s large language model is basically a cheaper, more efficient ChatGPT, built on a fraction of OpenAI’s budget and using far fewer chips than any other leading chatbot.

DeepSeek, a Chinese artificial intelligence startup, has developed a model that can apparently answer questions as well as any chatbot in the US. It might even help answer a long-running question on Wall Street without being asked.

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