Portfolio manager Mayank Bansal exposes options trading fraud, prompting SEBI to ban U.S. firm and seize ₹4,843 crore. Interview insights.

India's markets regulator has widened an investigation into alleged market manipulation by U.S. securities trading firm Jane Street to include other indexes and exchanges, a source familiar with the matter said.

India has barred Jane Street from the country’s financial markets and said it would seize around $570 million that the U.S. securities firm made from allegedly fraudulent trades.