Market Roundup: Sensex tanks 667 points; Nifty ends below 10,900

Mumbai: Slumping for the fourth straight session, equity benchmark Sensex plunged 667 points on Monday following a selloff in index-heavyweights Reliance Industries, HDFC twins and Kotak Bank as soaring COVID-19 cases kept investors jittery. The BSE Sensex ended 667.29 points or 1.77 per cent lower at 36,939.60, while the NSE Nifty tumbled 181.85 points or 1.64 per cent to 10,891.60.