Wibbly wobbly Wednesday for stock market! Sensex, Nifty first soars, and then crashes from day's high - Fall reasons?

The Sensex dropped to an intraday low of 73,356.71, falling more than 1,300 points, or 1.8%, from the day's high. Nifty 50 crashed 1.8% from the day's high to drop to 22,702.85.