Sequenom (SQNM) Shares Plummet 20%

Shares of Sequenom, Inc. (Nasdaq: SQNM) were down 20% shortly after the market opened.

The falling stock price started during Monday's after hours trading, when Sequenom released a disappointing earnings report.

Sequenom reported late Monday a larger than expected 4th quarter loss of $18.4 million, or 30 cents per share, compared with a loss of $15.4 million, or 25 cents per share, a year earlier.

Sequenom also reported that revenue fell 11% to $10.8 million from $12.2 million.

A poll of analysts by Thomson Reuters showed an average expected loss of 25 cents per share, on revenue of $9.1 million.