Sensex tanks 938 points; Nifty crashes below 14,000-level

Marking its fourth straight session of loss, the Sensex tumbled 937.66 points or 1.94 per cent to settle at 47,409.93 taking the aggregate four-session loss to 2,382.19 points or 4.78 per cent. Intraday, the BSE gauge swung 1,117.65 points.