Stock market crash, May 12 -- Market barometers, the BSE Sensex and the Nifty 50, declined for the fourth consecutive session on Tuesday, 12 May, amid mixed global cues.

The 30-share index dropped 900 points, or more than 1%, to an intraday low of 75,122, while the NSE counterpart fell 1% to the day's low of 23,578.

In these four consecutive sessions, the Sensex has crashed more than 2,800 points, 3.6%, while the Nifty 50 has shed 3%.

Investors have lost about Rs.11 lakh crore during this period, as the overall market capitalisation of BSE-listed firms dropped to Rs.462 lakh crore in morning deals on Tuesday from Rs.473 lakh crore on Wednesday, 6 May.

Let's take a look at five key factors behind the fall in the Indian stock market:

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