Most investors who bought Whole-Foods between 2012 and 2015, are going to lose money

You have probably read the news that Amazon is going to acquire Whole Foods Market (WFM) in cash for $42/share. This will increase competitive pressures in the grocery business, which has sent shares in companies like Target (TGT) and Wal-Mart (WMT) lower. Even retailers such as Ross Stores (ROST) and TJX Companies (TJX) are taking a…