Green Brick Partners has quickly become one of the biggest bets in David Einhorn's investing history.David Einhorn is known for his big bets. It's a strategy that helped make him a billionaire. One of his largest bets right now is Green Brick Partners (GRBK 1.07%). Einhorn's investment company owns more than 11 million shares, representing 29% of his total portfolio. Should you follow Einhorn into one of his biggest bets ever?1 reason Einhorn loves Green Brick stockGreen Brick has been part of Einhorn's por ...