NEW YORK ( TheStreet) -- Shares of specialty pharma company KV Pharmaceutical (KV-A) were zooming over 150% to $3.85 after U.S. regulators approved its drug, Makena, used to reduce the risk of preterm birth in women with a history of going into labor earlier than 37 weeks. Over 11 million shares were changing hands in afternoon trading.
Shares of timeshare operator Silverleaf (SVLF) soared 70% to $2.44 after hedge fund Cerberus Capital said it would buy the company for $94 million, a 75% premium to its previous day's closing price.
Fremont, California-based Opnext (OPXT) saw its share spurt 30% to $2.62 after it said its losses narrowed in the fiscal third quarter and issued an upbeat forecast for the fourth quarter.
Shares of Orexigen Therapeutics (OREX - Get Report) were once again attracting buying interest. The stock crashed over 70% earlier this week after regulators rejected its obesity drug. But shares were climbing 17% on Friday to $3.46.China MediaExpress (CCME) denied a short-seller's allegations of fraud late Thursday. Muddy Waters Research, which has a short position in the stock, had accused the company of
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