Trading in India's weekly equity index options has slumped by a third since the country's market regulator banned U.S.

The firm has been banned from India's securities market for alleged manipulation that led to small investors trading at unfavourable prices.

Jane Street is famous for its explosive growth — and its secrecy. Now, it’s under regulatory scrutiny in India.

SEBI’s core charge is simple, yet sophisticated. Jane Street, through two group firms, allegedly engaged in a pattern of ...

The Securities and Exchange Board of India also aims to boost cash equities trading, board member Ananth Narayan said at an ...