Jitters have been fueled by the flop of the latest ChatGPT rollout, possible layoffs at Meta’s AI unit and even an MIT study raising doubts about the potential of AI to goose corporate profits.

Appaloosa's billionaire boss reversed course in the second quarter by becoming a big-time buyer of Nvidia stock and a seller of the hottest AI-networking company.

When Nvidia, the chip producer, reports earnings next week, investors expect the S&P 500 to have a bigger reaction than when the Fed chair delivers a big speech on Friday.

Nvidia completed its 10-for-1 stock split on June 7 of last year, with shares trading at the split-adjusted price as of June 10. This brought the shares down from about $1,200 to $120.

A mammoth estimated addressable market for artificial intelligence (AI) of $15.7 trillion by 2030 has sent Industry-leading AI stocks skyrocketing higher. Executives and board members for Nvidia, Palantir,

But as is the case with all next-big-thing innovations, this optimism isn't universal. Although an overwhelming percentage of Wall Street analysts have buy ratings and lofty price targets attached to the faces of the AI revolution -- Nvidia ( NVDA 0.66%) and Palantir Technologies ( PLTR 3.62%) -- there are exceptions.