NEW YORK ( TheStreet) -- Immunogen (Nasdaq: IMGN) is trading at unusually high volume Friday with 2.7 million shares changing hands. It is currently at 4.2 times its average daily volume and trading down 69 cents (-5.4%) at $12.04 as of 10:27 a.m. ET. Immunogen has a market cap of $891.5 million and is part of the health care sector and drugs industry. Shares are up 37.5% year to date as of the close of trading on Thursday. ImmunoGen, Inc. engages in the research and development of antibody-based anticancer therapeutics in the United States. The company develops its product candidates using its Targeted Antibody Payload (TAP) technology. TheStreet Ratings rates Immunogen as a sell. The company's weaknesses can be seen in multiple areas, such as its deteriorating net income and feeble growth in its earnings per share. You can view the full Immunogen Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are falling on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVDOWN to 95370 or select from multiple alert options.