Benzinga's Top Pre-Market Gainers

Nanosphere (NASDAQ: NSPH) surged 6.55% to $2.44 in the pre-market session. Nanosphere obtained the CE IVD Mark under the European Directive for its Gram-Negative Blood Culture test.

Coach (NYSE: COH) added 2.03% to $49.80 in the pre-market session. Analysts at Citigroup upgraded Coach from “neutral” to “buy.”

Yandex N.V. (NASDAQ: YNDX) soared 1.95% to $23.48 in the pre-market trading. Yandex priced an underwritten public offering by selling shareholders of an aggregate of 24,253,987 Class A shares at a price of $22.75 per share.

Perion Network (NASDAQ: PERI) moved up 1.87% to $9.81 in the pre-market session. Perion Network is expected to report its Q4 earnings today.

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