Wall Street rebounded on Friday, with gains from Nvidia and other technology companies helping pare earlier losses. After dropping 1.3% early in the session, the S&P 500 erased its losses and rose 15 points, or 0.2%, in afternoon trading. The Nasdaq Composite index also recovered from a morning dip to gain 101 points, or 0.4%, while the Dow Jones Industrial Average trimmed its losses on the day to 196 points, or 0.4%, after earlier shedding 600 points. Stocks were buoyed by gains from Nvidia,