Some of the costs are patently obvious, but others can be quite well hidden. Today's Stocks & Topics: Mutual Funds, Fed Meeting, Economic Statistics, Johnny Depp’s Extravagant Spending, AKRX - Akorn Inc., WMT - Wal-Mart Stores Inc., IEP - Icahn Enterprises L.P., ACIA - Acacia Communications Inc., FLO - Flowers Foods Inc., RRC - Range Resources Corp., BABY - Natus Medical Inc., FIT - Fitbit Inc.