Super Micro Computer ($SMCI ) and Deckers Outdoor ($DECK (+0,15 %) ) are included in the S&P 500 ($SPY (+1,08 %) ), while Whirlpool ($WHR (-0,94 %) ) and Zion Bancorporation ($ZION (+0,57 %) ) will be withdrawn. These changes will take effect before the opening on March 18 effective.