Stock market today: BSE Sensex plunges 500 points, Nifty50 below 21,600 in negative start for week

Stock market today: BSE Sensex and Nifty50 were trading in red on Monday, starting the second week of 2024 on a bearish note. BSE Sensex plunged as much as 500 points, below the 72,000 level and Nifty50 was also below 21,600.