At Close, Sensex ended lower by 839.02 points or 2.13 per cent at 38628.29, and the Nifty down 284.40 points or 2.44 per cent at 11387.50 amid India-China border tension. Reliance Industries (RIL) was the biggest contributor to the index's loss, followed by ICICI Bank, Sun Pharma, SBI, Bajaj Finserv and Bajaj Finance and HDFC. Metals, pharma and the PSU Bank index tumbled over 4 per cent while the midcap index down 3 per cent. India VIX jumped over 24 per cent to 22.84 levels. Except Nifty IT all other sectoral indices ended with losses.