Stock exchanges take preventive measure; restrict foreign users from accessing their websites
Benchmark stock indices Sensex and Nifty closed higher in a volatile session on Wednesday. After swinging between gains and losses during the day, the 30-share BSE Sensex ended 105.71 points higher at 80,746.78. the 50-issue Nifty of NSE advanced by 34.80 points to settle at 24,414.40.