U.S. stocks are set to deliver their worst quarter in nearly four years

U.S. equity indexes fell, prompting discussion that the quarter may be the worst in nearly four years.

Commenters compared index levels from February to later dates and noted recent declines in Dow, S&P and Nasdaq.

Participants said the S&P was about 13% higher over the past 12 months and flagged sector shifts favoring AI and defense while biotech weakened.