Meanwhile, the biggest hedge funds added to their gains in June, sailing through the first half of the year amid global market chaos sparked by President Donald Trump's tariffs and the Israel-Iran war ...

After Jane Street's success, top global trading firms like Citadel Securities, IMC Trading, Optiver, and Millennium are ...

In a stunning move against a major global player, India’s market regulator has temporarily barred Jane Street Group LLC from the local securities market, alleging index manipulation.