Steve Mandel ( Trades , Portfolio ) is the founder of Lone Pine Capital, a long short equity money manager, which he started in 1997. During the last quarter of 2015, he increased his stakes in many stocks, such
Up until Friday, the S&P 500 recovered all of the losses it incurred in January and the first half of February and turned just positive for the year. How is your portfolio doing? GuruFocus Value Strategies performed well