Hedge Fund - Renaissance Technologies

Tiger Global Management slashed its valuation of e-cigarette startup Juul Labs Inc.

LONDON (Reuters Breakingviews) - Chris Hohn made his name by assaulting the entrenched boards of European companies.

NEW YORK (Reuters) - Firefly Value Partners on Thursday asked Gulfport Energy for a seat on its board and criticized the “half-measures” which the U.S.

Billionaire investor Carl Icahn is placing a $400 million bet against struggling malls, taking on two of the largest investment firms, according to The Wall Street Journal.

PointState Capital, the macro hedge fund started by former traders for billionaire Stan Druckenmiller, is looking for new investors as it struggles to rebound from last year’s double-digit loss.

Ken Griffin promoted James Yeh to president and co-chief investment officer at Citadel, tapping a longtime partner to help run the fast-growing hedge fund firm alongside him.

Ben Jacobs, the former co-chief investment officer at Viking Global, is in the process of starting his own fund, which sources tell Business Insider will be named Anomaly Capital.

Billionaire Ken Fisher made his name and fortune picking stocks. But over the years he’s also become a huge player in an arcane -- and controversial -- corner of Wall Street: exchange-traded notes.

Anyone looking to learn how a quant fund conquered the financial world should go out and buy Greg Zuckerman’s “The Man Who Solved the Market” when it’s released next week.