US AI hardware stocks weaken rapidly, Philadelphia Semiconductor Index turns negative

TechFlow News, July 31, according to Bitget market data, the US chip and semiconductor sector weakened rapidly, with the Philadelphia Semiconductor Index erasing gains of 5% to turn negative. Micron Technology, which previously rose 6%, is now down 4.2%. SanDisk, which previously rose nearly 10%, is now down over 6%. SK Hynix and Seagate Technology, which previously rose over 8%, are now down 2%. TSMC, which previously rose 4%, is now down nearly 1%.