Is AI 'one big bubble'? Behind the tech sell-off

A wave of selling in tech stocks is starting to reflect doubts over whether the spending boom on artificial intelligence is worth it.

The best-known AI-related tech stocks, Nvidia and Google-parent Alphabet, were down for a second day in a row.

Among the biggest losers on Tuesday, however, was chipmaker Micron Technology, whose shares plummeted over 13%. These sell-offs sent the tech-heavy Nasdaq index down over 2%.

Archived at https://web.archive.org/web/20260623220634/https://www.npr.org/2026/06/23/nx-s1-5867633/ai-selloff-tech-stocks-bubble-nasdaq