Bill Smead
Bill Smead.
  • The AI-fueled mania around tech stocks is more extreme than the dot-com bubble, Bill Smead says.
  • The fund manager says the passive-investing boom has lifted Big Tech stocks to dangerous highs.
  • High-flying stocks have suffered devastating declines in value during past crashes, he notes.

The AI-fueled frenzy around technology stocks has eclipsed the internet mania of the late 1990s and early 2000s, setting the stage for a prolonged and painful sell-off, Bill Smead has warned.