The S&P BSE Sensex lost 672.83 points to 74,638.23, while the NSE Nifty50 shed 216.80 points to 22,579.10 as of 9:40 AM.
The BSE Sensex fell 418.12 points or 0.56 per cent to 74,892.94. Nifty stood at 22,656.25, down 139.65 points  or 0.68 per ...