Clayton Williams Energy, Inc. (Nasdaq: CWEI), AVANT Immunotherapeutics, Inc. (Nasdaq: AVAND) and Exponent, Inc. (Nasdaq: EXPO) were among the new 52-week highs established during Wednesday's trading among companies with market capitalizations or values under $750 million. 

K-Tron International, Inc. (Nasdaq: KTII), Willamette Valley Vineyards, Inc. (Nasdaq: WVVI) and Rubicon Technology, Inc. (Nasdaq: RBCN) were also among the 52-week small-cap highs.

Here are today's 52-week small-cap highs:

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