Why Sensex crashed over 900 points in just 3 hours

At the closing, BSE Sensex was down 930 points or 1.30% at 70,506.31. Nifty50 was at 21,150.15, down over 300 points or 1.41%. We take a look at 5 possible reasons why the BSE Sensex, Nifty50 tanked today.