Wal-Mart is killing grocery stores, Wal-Mart's grocery accounts for almost 53 percent of overall revenue.

There has been a large amount of food deflation over the past few years, the nation's largest Grocer Kroger cites Wal-Mart as a large contributing factor to this. http://www.businessinsider.com/walmart-is-cutting-prices-201...

Grocers margins are already razor thin, have you been paying attention to Kroger's stock price