NEW YORK ( TheStreet) -- Huntsman Corporation (NYSE: HUN) is trading at unusually high volume Thursday with 20.7 million shares changing hands. It is currently at four times its average daily volume and trading up $1.16 (+9.7%) at $13.02 as of 3:40 p.m. ET. Huntsman has a market cap of $2.89 billion and is part of the basic materials sector and chemicals industry. Shares are up 19.4% year to date as of the close of trading on Wednesday. Huntsman Corporation engages in the manufacture and sale of differentiated organic and inorganic chemical products worldwide. The company has a P/E ratio of 8.6, above the average chemicals industry P/E ratio of 8.4 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Huntsman as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, impressive record of earnings per share growth, compelling growth in net income, attractive valuation levels and good cash flow from operations. We feel these strengths outweigh the fact that the company has had lackluster performance in the stock itself. You can view the full Huntsman Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.