The major indexes bounced, but Palantir and many leaders still have sharp weekly losses. Walmart earnings loom.

But afterward, some analysts weren't sure that would be enough.

Shares of Walmart Inc. (WMT) dropped 2.9% in premarket trading Thursday, after the discount retail behemoth missed fiscal second-quarter profit expectations, but raised its full-year outlook and saw ...

Nvidia, whose chips are powering much of the world’s move into AI, sank as much as 3.9% during the morning and was on track to be the heaviest weight on Wall Street following its 3.5% fall on Tuesday.