BusinessStock market today: BSE Sensex opens over 400 points down; Nifty50 below 23,400By Brown State Of Mind - November 21, 20240FacebookTwitterPinterestWhatsApp Stock market today: Indian equity benchmark indices, BSE Sensex and Nifty50, opened in red on Thursday. While BSE Sensex was below 77,200, Nifty50 was below 23,400.