NEW YORK (AP) -- Stillwater Mining Co. will replace JDA Software Group Inc. in the S&P SmallCap 600 index, Standard & Poor's said Monday.
The change will take place on Dec. 13. JDA Software is being acquired by RedPrairie Corp. in a deal expected to close on or near that date.
Stillwater Mining, based in Billings, Mont., produces palladium and platinum. Shares of the company rose 16 cents to close at $11.47, then added 30 cents, or 2.6 percent, to $11.77 in after-hours trading.
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