NEW YORK ( TheStreet) -- Pentair (NYSE: PNR) is trading at unusually high volume Thursday with 3.2 million shares changing hands. It is currently at 4.3 times its average daily volume and trading up 98 cents (+2.1%) at $47.30 as of 3:50 p.m. ET. Pentair has a market cap of $3.63 billion and is part of the industrial goods sector and industrial industry. Shares are up 39.1% year to date as of the close of trading on Wednesday. Pentair, Inc. operates as a diversified industrial manufacturing company worldwide. The company has a P/E ratio of 118.4, above the average industrial industry P/E ratio of 17.1 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Pentair as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, good cash flow from operations, largely solid financial position with reasonable debt levels by most measures and increase in stock price during the past year. We feel these strengths outweigh the fact that the company has had sub par growth in net income. You can view the full Pentair 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.