Data-server provider Super Micro Computer Inc. and footwear maker Deckers Outdoor Corp. will join the S&P 500
SPX
stock index later this month, replacing Whirlpool Corp. and Zions Bancorporation, S&P Dow Jones Indices said Friday.
Shares of both Super Micro
SMCI,
and Deckers
DECK,
rose after hours on Friday. Super Micro’s stock jumped 8.9%, while Deckers was up 2.2%.
Whirlpool
WHR,
and Zions
ZION,
will replace those two companies on the S&P MidCap 400
MID.
The changes will take hold before the market’s opening bell on Monday, March 18.
“The changes ensure each index is more representative of its market capitalization range,” S&P Dow Jones Indices said.
“All companies being added to the S&P 500 are more representative of the large-cap market space,” it added, while “all companies being added to the S&P MidCap 400 are more representative of the mid-cap market space.”
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