Stock market crash: Sensex tumbles over 1,600 points as oil surges, US Fed keeps rates unchanged

 Stock market crash today: Nifty50 and BSE Sensex crashed in opening trade on Thursday after the US Federal Reserve kept policy rates unchanged. While Nifty50 went below 23,300, BSE Sensex was down over 1,600 points. Stock market crash today: Nifty50 and BSE Sensex crashed in opening trade on Thursday after the US Federal Reserve kept policy rates unchanged. While Nifty50 went below 23,300, BSE Sensex was down over 1,600 points.