The biggest funds have faced margin calls, according to a note to clients by Swiss giant UBS, which is when traders are asked ...

Citadel's flagship hedge fund Wellington has reduced its losses after a rough start to March, as uncertainties around President Donald Trump's economic policies triggered a selloff in U.S. equities, ...

That scenario is not unlike what has played out in the world of multimanager hedge funds — which includes investment firms like Citadel, Millennium, and Point72 — with scores of trading teams ...