NEW YORK (

TheStreet

) --

Arena Pharmaceuticals

(Nasdaq:

ARNA

) is trading at unusually high volume Thursday with 31 million shares changing hands. It is currently at 13.5 times its average daily volume and trading down 4 cents (-2.2%) at $1.77 as of 3:55 p.m. ET.

Arena has a market cap of $232.2 million and is part of the

health care

sector and

drugs

industry. Shares are down 3.2% year to date as of the close of trading on Wednesday.

Arena Pharmaceuticals, Inc., a clinical-stage biopharmaceutical company, engages in discovering, developing, and commercializing oral drugs in the therapeutic areas of cardiovascular, central nervous system, inflammatory, and metabolic diseases.

TheStreet Ratings rates Arena as a

sell

. The company's weaknesses can be seen in multiple areas, such as its disappointing return on equity, weak operating cash flow and generally weak debt management. You can view the full

Arena Ratings Report

.

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