Keurig Green Mountain, Biogen Shares Rally Following Additions to S&P Indices‏

Erika Janowicz

In a press release on Friday, the S&P Dow Jones Indices announced changes to the S&P 100, S&P 500, MidCap 400 and S&P SmallCap gap indices to take effect following the close on March 21.

Keurig Green Mountain, Inc. (NASDAQ: GMCR), currently in the S&P MidCap 400, will replace WPX Energy, Inc. (NYSE: WPX) in the S&P 500. WPX Energy will take Keurig Green Mountain's space in the S&P MidCap 400.

Biogen Idec Inc. (NASDAQ: BIIB), an S&P 500 constituent, will replace American Electric Power Co., Inc. (NYSE: AEP) in the S&P 100. American Electric Power is reported to remain in the S&P 500.

Matson, Inc. (NYSE: MATX) and Kate Spade & Company (NYSE: KATE) will switch places in their S&P categories. S&P MidCap 400 constituent Matson will replace Kate Spade in the S&P SmallCap 600. Kate Spade will likewise take Matson's S&P MidCap 400 space.

Ahead of the press release, shares of Kate Spade have trended higher over the past month, gaining more than 20 percent. Shares of Keurig Green Mountain are up over the last four or five days and up nearly 50% since announcing a deal with Coke.

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