At the heart of the controversy is Jane Street’s aggressive trading in the derivatives (futures) segment, where the firm executed trades designed not just to profit, but to sway the market itself. Here's how.

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.

Following its ₹4,843 crore order against Jane Street Group for alleged index manipulation, Sebi Chairman Tuhin Kanta Pandey issued a stern warning that market misconduct — from domestic or foreign entities — will face zero tolerance.