Sensex tanks 420.56 points to 72,327.86 in early trade; Nifty declines 126.35 points to 21,929.35 The stock market began trading on Tuesday with a bearish outlook. The key equity benchmarks fell in early trading, with the BSE Nifty50 slipping more than 400 points to hit 72,211.91. In the last trading session on Monday, both SenseX and Nifty closed in the green and pared their losses after trading in volatility.