NEW YORK ( TheStreet) -- Omnicare (NYSE: OCR) is trading at unusually high volume Thursday with 7.6 million shares changing hands. It is currently at 4.2 times its average daily volume and trading up $1.43 (+4.2%) at $35.37 as of 3:55 p.m. ET. Omnicare has a market cap of $3.79 billion and is part of the services sector and wholesale industry. Shares are down 1.5% year to date as of the close of trading on Wednesday. Omnicare, Inc. operates as a healthcare services company that specializes in the management of pharmaceutical care in the United States and Canada. The company has a P/E ratio of 24.4, above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Omnicare as a buy. The company's strengths can be seen in multiple areas, such as its impressive record of earnings per share growth, compelling growth in net income, revenue growth, largely solid financial position with reasonable debt levels by most measures and good cash flow from operations. We feel these strengths outweigh the fact that the company shows low profit margins. You can view the full Omnicare 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 rising on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVUP to 95370 or select from multiple alert options.