Stock Market Today Live Updates: At 1 pm, the Nifty50 was trading 1.09% down at 23,997.90, and the Sensex was trading 1.32% down at 77,174.54. Stock Market Today Live Updates: At 1 pm, the Nifty50 was trading 1.09% down at 23,997.90, and the Sensex was trading 1.32% down at 77,174.54.