AsiaInfo Holdings Inc. (Nasdaq:ASIA), ImmunoGen Inc. (Nasdaq:IMGN) and Monro Muffler Brake Inc. (Nasdaq:MNRO) are among the new 52-week highs in Thursday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Neutral Tandem Inc. (Nasdaq:TNDM), Hot Topic, Inc. (Nasdaq:HOTT), Kirklands Inc. (Nasdaq:KIRK), SXC Health Solutions Corp. (Nasdaq:SXCI), America Service Group Inc. (Nasdaq:ASGR) and Santa Monica Media Corp. (Nasdaq:MEJ).

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