India's BSE, Angel One, Nuvama Wealth slide after SEBI bars Jane Street

** BSE BSEL.NS slips 3.7%; Nuvama Wealth Management NUVA.NS and Angel One ANGO.NS slide ~5% each; Central Depository Services (India) CENA.NS down 2%

** SEBI bars U.S. trading company Jane Street from market, saying probe found co manipulated stock indexes through positions in derivatives

** News of SEBI actions comes as half a dozen global trading firms, from Citadel Securities and IMC Trading to Millennium and Optiver, ratchet up presence in India's booming derivatives markets

** "We've already seen average premium turnover on NSE and BSE come down 17% and 13%, respectively, in June when SEBI began probing Jane Street," said Amit Chandra, vice president at HDFC Securities

** YTD, ANGO down 5%, BSE gains 51%, Nuvama rises 12.1%