"Tech Earnings and Fed Decision Drive Mixed Day for Stock Market"

The stock market closed mixed with the Nasdaq falling ahead of Big Tech earnings, while the Dow rose and the S&P 500 traded flat. Microsoft reported earnings that beat expectations, while Alphabet's ad revenue missed expectations. AMD's fourth quarter revenue met analyst expectations, and the company expects first quarter revenue to be approximately $5.4 billion. General Motors beat expectations for sales and revenue, with shares rising nearly 8%. Investors are awaiting the Federal Reserve's interest rate decision at the end of its two-day meeting on Wednesday.