AI boom may be on its last legs amid stock volatility and dash for cash—but will go out in a blaze of glory with 'blow-off phase' before bubble pops

(Credit: Jung Yeon-je / AFP via Getty Images)

The Nasdaq is headed for its worst weekly loss in more than a year, and the S&P 500 is on track for a fifth consecutive drop.

Similarly, after making history with the largest IPO ever, SpaceX stock has tumbled, and bonds it sold days ago are already sinking.