NEW YORK, April 25, 2011 /PRNewswire/ -- S&P SmallCap 600 constituent Catalyst Health Solutions Inc. (NASD: CHSI) will replace AirTran Holdings Inc. (NYSE: AAI) in the S&P MidCap 400 index, and Calamos Asset Management Inc. (NASD: CLMS) will replace Catalyst Health Solutions in the S&P SmallCap 600 index after the close of trading on Monday, May 2, 2011. S&P 500 constituent Southwest Airlines Co (NYSE: LUV) is acquiring AirTran Holdings in a deal expected to be completed on or about that date pending final approvals.
Standard & Poor's will monitor this transaction, and post any relevant updates on its website: www.standardandpoors.com.
Catalyst Health Solutions operates as a pharmacy benefit management company. Headquartered in Rockville, MD, the company will be added to the S&P MidCap 400 GICS (Global Industry Classification Standard) Health Care Services Sub-Industry index.
Calamos Asset Management is a publicly owned investment manager. Headquartered in Naperville, IL, the company will be added to the S&P SmallCap 600 GICS Asset Management & Custody Banks Sub-Industry index.
Following is a summary of the changes:
S&P MIDCAP 400 INDEX – May 2, 2011 | ||||
COMPANY | GICS ECONOMIC SECTOR | GICS SUB-INDUSTRY | ||
ADDED | Catalyst Health Solutions | Health Care | Health Care Services | |
DELETED | AirTran Holdings | Industrials | Airlines | |
S&P SMALLCAP 600 INDEX – May 2, 2011 | ||||
COMPANY | GICS ECONOMIC SECTOR | GICS SUB-INDUSTRY | ||
ADDED | Calamos Asset Management | Financials | Asset Management & Custody Banks | |
DELETED | Catalyst Health Solutions | Health Care | Health Care Services | |
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SOURCE Standard & Poor's