Vermillion, Inc. (NASDAQ:VRML) is down 28% in midday trading at $2.16. VRML is tumbling on heavy volume today with 4.2 million shares traded so far today. The stock trades 293 thousand shares a day on average. VRML shares are slipping today after they rallied more than 100% yesterday following news of Category 1 CPT code approval for OVA1. Vermillion was also downgraded by Ladenburg Thalmann today sell from neutral. The company has a market cap of 31.79 million.

Keryx Biopharmaceuticals, Inc. (NASDAQ:KERX) is down 9.20% today at $3.98. KERX has traded 3.3 million shares so far today, about double its daily average volume. KERX shares are continuing their drop from yesterday and have fallen more than $1 in the past two days. The company has a market cap of 276.99 million. [Read more...]