Dip buyers showed their teeth again on Wednesday, scooping up sold-off tech stocks in particular after Nvidia CEO Jensen Huang gave the AI story and tech names a boost by talking of a big jump in computing demand.

But

simmering doubts over how much AI can keep pushing the market has been beating down on investors’ heads. Weighing in on bubble talk is our

call of the day, from JPMorgan Chase’s CEO Jamie Dimon, who said he is “far more worried than others” about a correction in U.S. stocks.”