The profits of these two hedge funds are said to have accounted for more than half the money generated by the top 20 managers last year.
A behind-the-scenes look at hedge fund Renaissance Technologies, whose network of affiliated people has given $37 million this election cycle.
Deutsche Bank and Barclays on Tuesday locked horns with a U.S. Senate committee that has accused them of selling option products to hedge funds to help them avoid taxes.
A small but mysterious change at Renaissance Technologies.
Here's a note of 11 firms that have made their mark on the financial markets and were founded less than 30 years ago.
Here's a few links to some interesting Bloomberg, CNBC, Guardian, New York Post and New York Times stories that are currently doing the rounds.
James Harris 'Jim' Simons (born 1938) is an American hedge fund manager, mathematician, and philanthropist.
Tottenham Hotspur secured all three points against their London rivals West Ham United yesterday.
Arsenal have been linked with RB Leipzig boss Julian Nagelsmann.
Everton boss Marco Silva is under huge pressure at Goodison Park.
Everton fell to a humbling defeat at Goodison Park and the Marco Silva favourite put in another poor showing for the Toffees.
Liverpool recorded a late win against Crystal Palace on Saturday afternoon, whilst Manchester City recorded their own narrow win later on in the afternoon.
Liverpool look very much like winning the Premier League title this season.
The Leeds United defender appeared to struggle a little this afternoon.
Tottenham Hotspur have won against West Ham United this afternoon.
Tottenham Hotspur striker Harry Kane was involved in a coming together with West Ham winger Robert Snodgrass, the Spurs academy coach sharing his opinion.
Lucas Torreira was in action for Arsenal against Southampton today.