It was a bad day in the stock market. But one local economist has a message: Relax.

Prof. Jonathan Gruber joins GBH’s All Things Considered to discuss stock market jitters, AI hype and interest rates, urging calm and a long-term view. “No one who’s in the market should be overreacting to one day’s movement,” Gruber says. “These short-run reactions are really overreactions to individual bits of news.”