NEW YORK (

TheStreet

) --

Onyx Pharmaceuticals

(Nasdaq:

ONXX

) is trading at unusually high volume Monday with 4.7 million shares changing hands. It is currently at 4.2 times its average daily volume and trading up $5.97 (+15.8%) at $43.65 as of 2:36 p.m. ET.

Onyx has a market cap of $2.45 billion and is part of the

health care

sector and

drugs

industry. Shares are up 2.2% year to date as of the close of trading on Friday.

Onyx Pharmaceuticals, Inc., a biopharmaceutical company, engages in the development and commercialization of therapies that target the molecular mechanisms causing cancer the United States, Canada, and Europe.

TheStreet Ratings rates Onyx as a

hold

. The company's strengths can be seen in multiple areas, such as its solid stock price performance and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and weak operating cash flow. You can view the full

Onyx Ratings Report

.

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