Ongoing fears over an AI bubble triggered a major tech selloff earlier this week — and reassurances by president Donald Trump’s “AI czar” David Sacks that there will be “no federal bailout for AI” haven’t helped. Shares of AI chipmaker Nvidia are continuing their tumble, sliding nearly four percent in early trading on Friday. The company’s shares are down over 13 percent so far this week; AI software giant Palantir was hit even harder, currently down over 16 percent so far this week. That’s despite the White House being extremely amenable to the industry’s needs, with the president going as far announcing a $500 billion AI infrastructure initiative, dubbed Stargate, earlier this year. Even before Friar’s comments on Wednesday, investors had become concerned that AI industry stalwarts, like Nvidia and Palantir, may be grossly overvalued, with analysts predicting a correction following months of soaring valuations.