Virus concerns and Yes Bank drag Sensex 894 pts lower or 2.32% at 37,576.62, and the Nifty was down 279.50 points or 2.48% at 10,989.50. About 538 shares have advanced, 1875 shares declined, and 125 shares are unchanged. All the Nifty sectoral indices ended in the red. Nifty PSU Bank, Nifty Private Bank, Nifty Metal, and Nifty Bank indexes were all down over 4 per cent each. Tata Motors, Zee Entertainment, Tata Steel, SBI and IndusInd Bank were among major losers on the Nifty, while gainers were Bajaj Auto, Maruti Suzuki, GAIL, and Asian Paints.