Matrixx Initiatives (Nasdaq:MTXX), Spectrum Pharmaceuticals Inc. (Nasdaq:SPPI) and Canadian Solar Inc. (Nasdaq:CSIQ) are among the most actively traded companies in Wednesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: Huron Consulting Group Inc. (Nasdaq:HURN), Kirklands Inc. (Nasdaq:KIRK), Sequenom Inc. (Nasdaq:SQNM), Novavax Inc. (Nasdaq:NVAX), Biocryst Pharmaceuticals Inc. (Nasdaq:BCRX) and UAL Corp. (Nasdaq:UAUA).

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