Wall St opens higher as Microsoft's results temper some AI jitters

July 30 (Reuters) - U.S. stocks opened higher on Thursday as Microsoft's forecast-beating results soothed investor concerns about massive AI spending by companies, while investors parsed fresh readings of GDP and inflation data a day after the Federal Reserve's rate decision.

The Dow Jones Industrial Average .DJI rose 520.1 points, or 1.01%, at the open to 52,114.27. The S&P 500 .SPX rose 74.3 points, or 1.02%, at the open to 7,390.45, while the Nasdaq Composite .IXIC rose 409.1 points, or 1.67%, to 24,852.047 at the opening bell.