Keurig Green Mountain (GMCR) will replace WPX Energy (WPX) on the S&P 500, while WPX moves to the S&P MidCap 400 index,  S&P Dow Jones Indices announced Friday.

The S&P 500 is comprised of companies seen to represent a broad-swath of U.S. industry, widely considered to be Wall Street’s leading barometer.