At close, the Sensex was down 1,406.73 points or 3.00% at 45553.96, and the Nifty was down 432.10 points or 3.14% at 13328.40 as profit booking gripped the markets. The gainers included L&T, RIL, and HDFC Bank. All stocks on the Nifty50 ended lower led by the ONGC, Tata Motors, GAIL, IndusInd Bank, M&M, Hindalco and IOC. Nifty PSU Bank index cracked 7%, Nifty Realty index skid 6%, and Nifty Metal, Infra, Bank, Auto and Energy index dropped 4-5% on the NSE. India VIX, the volatility gauge, jumped over 23% in the intra-day deals to hit a high of 23.4 levels. This was the index's biggest jump since July 18.