More swings for AI stocks drag Wall Street back on the roller coaster

NEW YORK (AP) — More sudden reversals for high-flying artificial-intelligence stocks sent Wall Street reeling. The S&P 500 fell 0.3% Tuesday after careening between an early gain of 1% and a midday loss of 2.3%. The Dow Jones Industrial Average edged up 0.2%, and the Nasdaq composite sank 1%. Indexes swung lower after companies selling computer chips, memory and other building blocks of the AI boom broke from early gains to losses. The drops for AI stocks drowned out the benefit of lower oil prices, and most stocks in the S&P 500 rose. Treasury yields edged lower in the bond market.

THIS IS A BREAKING NEWS UPDATE. AP’s earlier story follows below.

NEW YORK (AP) — More sudden reversals for high-flying artificial-intelligence stocks sent Wall Street reeling on Tuesday.

The S&P 500 fell 0.3% after careening between an early gain of 1% and a midday loss of 2.3%, pulling further from its all-time high set a week ago. The Dow Jones Industrial Average was up 106 points, or 0.2%, with a little less than an hour remaining in trading, and the Nasdaq composite was 1% lower.

Indexes swung lower after companies se...