Wall Street today: US stocks edge higher ahead of tariff deadline; Nasdaq gains 50 points, S&P 500 up 0.1%

Wall Street experienced slight gains as investors analyzed corporate earnings amid tariff concerns. Optimism arose from Trump's hint at a potential trade deal extension with China, though caution persisted due to impending duties and threats of tariffs on pharmaceuticals and semiconductors. Oil prices increased following Trump's tariff threat to India over Russian oil purchases.