U.S. stocks rose to the finish of a wild July as Amazon leaped, Apple sank and rising oil prices worsened worries about inflation. The S&P 500 climbed 0.7% Friday after veering between gains and losses through the day. The Dow Jones Industrial Average added 0.5%, and the Nasdaq composite jumped 1%. Amazon soared after delivering a stronger profit for the spring than analysts expected, suggesting its big AI investments may be paying off. Apple dropped after giving a lackluster forecast for upcoming revenue growth. Treasury yields climbed as worries built in the bond market about inflation potentially remaining high.

A monster day for Microsoft following signals that its big spending on AI is translating into profits led a powerful rebound on Wall Street, while AI stocks regained some of their sharp recent losses. The S&P 500 rallied 1.7% Thursday and more than recovered its drop from the prior day. The Dow Jones Industrial Average rose 1.2%, and the Nasdaq composite jumped 2.8%. Microsoft delivered a bigger profit than analysts expected, which helped offset Meta Platforms's drop after it raised its forecast for AI investments. Longer-term Treasury yields held relatively steady a day after soaring on worries about inflation. Oil prices eased.