At the start of trading, the Philadelphia Semiconductor Index fell over 2%, with memory chip stocks broadly declining. Goldman Sachs rose about 3%, while Apple's stock price reached a new all-time high. The Dow Jones Industrial Average increased by 0.8%, the S&P 500 Index fell by 0.1%, and the Nasdaq dropped by 0.4%. Memory chip stocks saw widespread declines, with SK Hynix down about 6%, Western Digital down about 6%, SanDisk down about 4%, Micron Technology down about 6%, and Seagate Technology down about 7%. Optical communication stocks also fell, with Marvell Technology down about 6%, Corning down about 4%, Coherent down about 3%, Credo down about 4%, and Lumentum down about 3%. Goldman Sachs rose about 3%, reporting Q3 net revenue of $18.68 billion, with stock trading revenue surging by 72%. Wells Fargo fell by 0.5%, as the company's Q3 revenue fell short of expectations. JPMorgan Chase rose about 3%, with Q3 adjusted revenue of $50.9 billion also missing expectations, and fixed income trading revenue unexpectedly declined by 4%. Citigroup rose by 0.3%, having previously announced its Q3 financial results. Apple's stock price increased by about 2%, setting a new historical high.