The Indian stock market suffered a late sell-off on Monday, with benchmark indices falling sharply as more than Rs 7 lakh crore of investor money was wiped out. The 30-share S&P BSE Sensex plunged over 800 points and the Nifty Fifty went down the 26,000 mark. Meanwhile, both the BSE Midcap and Smallcap indices dropped by over 2 percent. The slump was not caused by a single factor but a mix of global cautiousness and domestic headwinds. Here are top five reasons why the stock market was unusually down today.

US Fed call: A major factor was the serious caution ahead of the United States Federal Reserve's interest rate decision. The possibility of the American central bank maintaining a hawkish stance or a surprise call led investors to go for aggressive de-risking.

Weak rupee: The Indian

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