Many on Wall Street like to style themselves as contrarians, but few are swimming against the current as hard as Jay Goldberg, the lone bear on high-flying Nvidia Corp. Sitting in the cluttered home ...

AI has likely created some individual "bubble" stocks. The industry's growth rate could continue to push AI stocks higher. Now, the staggering gains in some of these stocks have led investors to ...

Bottom line: Despite Big Tech pouring trillions into AI initiatives and building massive new data centers, the expected returns may never materialize. Analysts warn that the hype far outpaces reality, ...

Duping a guppy is easier than duping a ring dove — at least when it comes to a classic optical illusion. In the Ebbinghaus illusion, two identical circles placed side by side are each framed by a set ...

Chances are you’ve encountered some version of the “Ebbinghaus illusion,” in which a central circle appears to be smaller when encircled by larger circles and seems larger when surrounded by smaller ...

Are we in an AI bubble? Parallels are being drawn to the dot.com boom/bust of 1999-2000. In the dot.com bust, many high-tech companies valuations soared up 10X, then deflated. The peak P/E ratio for ...

A version of this story will appear in CNN Business’ Nightcap newsletter. To get it in your inbox, sign up for free here. At this point, even the concept of an “AI bubble” seems to be a bubble. (In ...

GRAPEVINE, Texas — Ever wondered what it was like to live inside a bubble? Literally, not figuratively. “This is a whole new take on a bubble,” said Katie Mulberry, operations project manager at ...

Simply sign up to the Technology sector myFT Digest -- delivered directly to your inbox. Stock market bears are on the prowl again growling about the dangers of a tech bubble. Ursine analysts at the ...

I heard people who read the column I wrote last week on the AI bubble complain that, by rooting for its collapse, I was hoping for the failure of the U.S. economy. Nothing could be further from the ...

Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. If we could copy Amal Clooney’s shiny, impeccable hair every time she ...

Plus, sign up for Joe Ciolli's weekday markets newsletter, First Trade — coming soon. Maybe you've had this experience lately: You're riding high, feeling good about yet another record high in stocks, ...