Arm Holdings beat views, but tumbled late. That's after ARM stock, Nvidia and other AI chips rebounded Wednesday.

The S&P 500 (SNPINDEX: ^GSPC) is coming off a total return of 25% in 2024, which was more than double its average annual gain ...

When DeepSeek's chatbot launched earlier this month in the U.S., it shocked Wall Street, prompting a historic $600 billion one-day wipeout for AI chip developer Nvidia Corp.'s (NVDA) stock.