The big fund manager mistake of 2015? Being de-FANGed

By Ross Kerber BOSTON (Reuters) - Missing out on the hot technology stocks known as the "FANG" group last year came back to bite some well-known mutual funds. Funds like the AMG Yacktman Fund and the Gabelli Asset Fund that avoided Facebook Inc, Amazon.com Inc, Netflix Inc and Google - now Alphabet Inc – dramatically underperformed peers that loaded up with the fast-rising tech stocks, according to a review by Thomson Reuters’ Lipper unit. In fact, despite a volatile year in which ac