Super Micro Computer ($SMCI ) and Deckers Outdoor ($DECK (-4,39 %) ) are included in the S&P 500 ($SPY (-3,04 %) ), while Whirlpool ($WHR (-4,9 %) ) and Zion Bancorporation ($ZION (-6,97 %) ) will be withdrawn. These changes will take effect before the opening on March 18 effective.