New Delhi, July 4 -- Shares of the stock exchange BSE cracked over 6% in the trading session on Friday, July 4, as investors were concerned that the market regulator's action against US-based trading firm Jane Street would impact trading volumes in the derivatives market.

Securities and Exchange Board of India (SEBI) barred the US trading company Jane Street from the Indian stock market, saying an investigation found it manipulated stock indices through positions taken in derivatives.

The ban on Jane Street will be in force till a final order on completion of investigations is issued.

SEBI also said it would 'impound' Rs.4840 crore from Jane Street, which it said were the 'unlawful gains earned' from the alleged misconduct.

Against th...