Why stock market is down today? Sensex tumbles over 800 pts, Nifty below 24,650; 5 key factors behind the bloodbath

Stock Market Crash: Indian stock markets faced a sharp decline on Friday. This occurred after US President Donald Trump declared significant tariffs. These tariffs, reaching up to 100%, will affect branded and patented drug imports. The new tariffs are scheduled to take effect from October 1, 2025. The Sensex and Nifty50 both experienced considerable drops following this announcement.