When Wal-Mart plunges, sell these stocks too

Patrick Fallon | Bloomberg | Getty Images

Shares of Wal-Mart plunged on Wednesday after the company forecast flat sales for 2016.

The discount retailer's stock was down as much as 9.9 percent at the lows of the session, trading at $60.12 or the lowest price since May 2012.

Since 2005, there have been 25 occasions when Wal-Mart shares fell 5 percent or greater in one week.

Using data from Kensho, a tool designed to quantify historical market events, CNBC Pro ran a study of which stocks took a hit when Wal-Mart's stock declined.