Market close: Sensex ends 623 points up, Nifty at 11,844

At 3:45 pm, Sensex closed 623.33 points or 1.61 per cent up at 39,434.72 and Nifty was trading at 11,844, up by 187.50 points or 1.60 per cent at the closing bell. Among the 50 components in the Nifty index, 45 shares ended in the green, while on Sensex 29 components out of 30 closed in the green