India, March 18 -- Shares of Super Micro Computer, Inc. (SMCI) are trading down nearly 9% on Monday morning. Shares of Super Micro Computer along with Deckers Outdoor (DECK) entered the S&P 500 today.

SMCI is currently trading at $977.71, down $91.12 or 8.53%, on the Nasdaq. The stock opened its trading at $1,105.62 after closing Friday at $1,068.83. The stock has traded between $93.19 and $1,229.00 in the past 52-week period.

Early this month, S&P Dow Jones Indices announced that S&P MidCap 400 constituents Super Micro Computer and Deckers Outdoor will replace Whirlpool Corp. (WHR) and Zions Bancorporation N.A. (ZION) in the S&P 500, respectively.

Meanwhile, Whirlpool and Zions Bancorporation will replace Super Micro Computer and Decker...