Jane Street shows dangers of finance as shampoo: Andy Mukherjee

Securities and Exchange Board of India is probing Jane Street Group. The firm is accused of market manipulation. The regulator froze a portion of Jane Street's profits. The probe focuses on options trading of Bank Nifty. SEBI alleges manipulation of intraday prices. The regulator will investigate Jane Street's strategies for other indexes. The order highlights risks of small options contracts.