Pre-market: China Sunergy, Vanda Pharmaceuticals and Flamel Technologies lead small-cap volume
China Sunergy Co., Ltd. (Nasdaq: CSUN), Vanda Pharmaceuticals Inc. (Nasdaq: VNDA) and Flamel Technologies S.A. (Nasdaq: FLML) are among the most actively traded companies in Friday pre-market trading among those with market capitalizations under $500 million:
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