The stock market may be in an AI bubble. Is it time to hoard cash?

The stock market is running high. Too high, some analysts say. A number of Wall Street observers warn the stock market may have entered "bubble" territory. It’s an analogy to the overhyped markets of 2008 and 1999, which crashed when the bubbles burst. Lately, there's talk of an AI bubble, a runup in the prices of tech stocks fueled by enthusiasm over artificial intelligence. Several tech giants report earnings in late October, numbers that could inflate the bubble further – or cause it to pop. When inv ...