NEW YORK (

TheStreet

) --

Idenix Pharmaceuticals

(Nasdaq:

IDIX

) is trading at unusually high volume Friday with 7.2 million shares changing hands. It is currently at 4.1 times its average daily volume and trading down $1.67 (-12.7%) at $11.52 as of 1:05 p.m. ET.

Idenix has a market cap of $1.43 billion and is part of the

health care

sector and

drugs

industry. Shares are up 77.2% year to date as of the close of trading on Thursday.

Idenix Pharmaceuticals, Inc., a biopharmaceutical company, engages in the discovery and development of drugs for the treatment of human viral diseases in the United States and Europe. Its primary research and development focus is on the treatment of patients with hepatitis C virus (HCV).

TheStreet Ratings rates Idenix as a

sell

. The area that we feel has been the company's primary weakness has been its declining revenues. You can view the full

Idenix Ratings Report

.

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