Super Micro Computer ($SMCI ) and Deckers Outdoor ($DECK (+6,04 %) ) are included in the S&P 500 ($SPY (-5,34 %) ), while Whirlpool ($WHR (-1,52 %) ) and Zion Bancorporation ($ZION (-4,69 %) ) will be withdrawn. These changes will take effect before the opening on March 18 effective.