New Delhi, Feb. 16 -- Shares of BSE, Billionbrains Garage Ventures (Groww), Angel One and other capital market-linked stocks declined by as much as 10% on Monday, February 16, after the Reserve Bank of India (RBI) announced amendments to banks' capital market exposure norms.

BSE shares tumbled as much as 9.5% to hit the day's low of Rs.2,736, while Angel One shares lost 6% at Rs.2,540.40 apiece. Billionbrains Garage Ventures, the parent firm of Groww, declined 5%, JM Financial shed 4.5%, and Anand Rathi, Motilal Oswal and Jio Financial Services fell between 1.5%-3.5% each.

Last week, the RBI tightened regulations governing loans extended to firms engaged in proprietary trading in equities and commodities, as well as those providing leve...