Stock market crash today: The Sensex hit an intraday low of 73,668.73, sliding by almost 800 points, while the Nifty touched 22,459.15, correcting by 250 points. This marks the fourth straight day of declines for the benchmark indices. Post navigation 21 killed, 40 injured as bus falls into gorge in Jammu T20 WC: Ponting picks these two as top performers