Why Catalyst Pharmaceuticals Shares Are Popping Off

Catalyst Pharmaceuticals Inc. (NASDAQ:CPRX) shares are trading higher by 6.40% to $16.12 Tuesday after it was announced the company will join the S&P SmallCap 600.

Catalyst Pharmaceuticals will replace Mantech International Corp. (NASDAQ:MANT) in the S&P SmallCap 600 effective prior to the opening of trading on Thursday, September 15.

The Carlyle Group Inc. (NASD: CG) is acquiring ManTech International in a transaction expected to be completed soon pending final conditions.

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According to data from Benzinga Pro, Catalyst Pharmaceuticals has a 52-week high of $17.22 and a 52-week low of $4.81.