Multi-Fineline Electronix Inc (Nasdaq:MFLX), Advisory Board Co (Nasdaq:ABCO) and Pacer International Inc (Nasdaq:PACR) are among the biggest percentage losers in Wednesday's trading among companies with market capitalizations under $1 billion.

Also included among the results: National Financial Partners Corp (Nasdaq:NFP), ACCO Brands Corp (Nasdaq:ABD), 21st Century Holding Co (Nasdaq:TCHC), Smith Micro Software Inc (Nasdaq:SMSI), Cambrex Corp (Nasdaq:CBM) and Kulicke & Soffa (Nasdaq:KLIC).

Here are the biggest percentage losers among small caps:

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