US stock market today saw mixed action as the Dow Jones dropped while the S&P 500 and Nasdaq inched higher, driven by strong Alphabet earnings and cautious outlook from Tesla. Alphabet jumped over 3% after boosting its AI investment, while Tesla slid nearly 9% despite hitting earnings estimates. Trade optimism between the US and EU, along with economic data showing steady jobless claims, helped stabilize markets. Investors are closely watching tech stocks, trade updates, and upcoming earnings.