Woofun AI data shows that the Dow Jones Industrial Average and S&P 500 turned positive on July 22, while the Nasdaq Composite narrowed its decline to 0.1%. The Philadelphia Semiconductor Index surged more than 1%, reflecting broad strength in the chip sector.

NVIDIA shares climbed nearly 3%, leading technology gains. AMD extended its gains to 24%, while Marvell Technology and AMD rose over 2%, and SanDisk climbed nearly 1%. Micron Technology recovered from a brief 3% dip to close in positive territory.