Stock market crash: Nifty 50, Sensex fall 1% as crude tops $102; financial, insurance stocks slide on IRDAI proposal

New Delhi, Sept. 24 -- Indian benchmark indices Nifty 50 and Sensex fell around 1% on Thursday, 24 September, as a sharp rise in crude oil prices and higher US bond yields weighed on investor sentiment.Brent crude surged above $102 a barrel, raising concerns over inflation and India's import bill…