NEW YORK ( TheStreet) -- Shares of Pernix Therapeutics Holdings (AMEX: PTX) have taken a tremendous swing upward. The stock is trading at $7.95 as of 10:52 a.m. ET, 21.4% above Monday's closing price of $6.55. Volume is at 34,480, 1.4 times the daily average of 24,700.

Pernix has a market cap of $150.9 million and is part of the health care sector and drugs industry. Shares are up 8.2% year to date as of the close of trading on Monday.

Pernix Therapeutics Holdings, Inc., a specialty pharmaceutical company, engages in the acquisition, development, marketing, and distribution of branded pharmaceutical products to meet unmet medical needs, primarily in pediatrics. The company has a P/E ratio of 33.2, above the average drugs industry P/E ratio of 30.2 and above the S&P 500 P/E ratio of 17.7.

TheStreet Ratings rates Pernix as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance, notable return on equity and revenue growth. However, as a counter to these strengths, we also find weaknesses including feeble growth in the company's earnings per share, deteriorating net income and premium valuation. You can view the full Pernix Ratings Report.

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