New Delhi, March 13 -- The BSE Sensex tanked by 906.07 points or 1.23 per cent to finish at 72,761.89, The NSE Nifty50 went down by 338 points or 1.51 per cent to 21,997.70 on 13th March. Except IT, many secotoral indices ended in the red, with realty, media, PSU bank, telecom, power, oil & gas and metals went down by 4 to 6 percent. The Nifty50 index crashed by 338 points or 1.51 per cent to settle at 21,997.70. Today's intraday high wa 22,446.75 and low was 21,905.65, respectively. The Nifty Bank index which comprises data of banking sectors major 12 banking stocks, fell by 301.10 points or 0.64 per cent to 46,981.30. Nifty Metal, Nifty Realty and Nifty Media crashed more than 5 per cent each. The downside continued in other indices inclu...