JPMorgan: The Grave Danger Behind Investment Concentration

Great individual wealth has been built through investment concentration, a JPMorgan report notes. But, as 2015 and 2016 has proven with concentrated portfolios from the likes of William Ackman's Pershing Square and Larry Robbins' Glenview Capital Management, both of whom, after achieving great success, find themselves at the low end of the returns scale in 2016. The top hedge fund stories of 2015 & 2016 have been related to investment concentration in the stock of Valeant Pharmaceuticals. This one-time can't miss hedge fund favorite is a prime example of the risks of investment concentration, a debated method that has also...