NEW YORK ( TheStreet) -- Herbalife (NYSE: HLF) is trading at unusually high volume Wednesday with 5.7 million shares changing hands. It is currently at 4.1 times its average daily volume and trading up $1.14 (+2%) at $57.44 as of 10:30 a.m. ET. Herbalife has a market cap of $8.24 billion and is part of the health care sector and drugs industry. Shares are up 9% year to date as of the close of trading on Tuesday. Herbalife Ltd., a network marketing company, sells weight management, nutritional supplement, energy, sports and fitness, and personal care products worldwide. The company has a P/E ratio of 20.2, below the average drugs industry P/E ratio of 21.3 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Herbalife as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, solid stock price performance, impressive record of earnings per share growth, compelling growth in net income and notable return on equity. Although no company is perfect, currently we do not see any significant weaknesses which are likely to detract from the generally positive outlook. You can view the full Herbalife Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.