Stocks Slide as Tech Giants Sink Despite Bank Earnings Beats

S&P 500 and Nasdaq fall as decline in megacap stocks offsets gains from banks' earnings beats.

JPMorgan, Wells Fargo, and Citigroup rise 2-3% after posting better-than-expected Q3 profits.

Apple, Alphabet, Tesla, Nvidia, Amazon, and Meta slide 0.9-2.3%.

U.S. Treasuries rally and gold rises amid Middle East conflict concerns.

Dow and S&P 500 eye weekly gains despite recent weakness; energy sector leads gains on oil price jump.