Super Micro Computer ($SMCI ) and Deckers Outdoor ($DECK (+0,99 %) ) are included in the S&P 500 ($SPY (-0,8 %) ), while Whirlpool ($WHR (-1,48 %) ) and Zion Bancorporation ($ZION (+0,4 %) ) will be withdrawn. These changes will take effect before the opening on March 18 effective.