NEW YORK ( TheStreet) -- Tractor Supply (Nasdaq: TSCO) is trading at unusually high volume Thursday with 3.1 million shares changing hands. It is currently at 4.1 times its average daily volume and trading up $5.36 (+8.1%) at $71.64 as of four p.m. ET. Tractor Supply has a market cap of $4.9 billion and is part of the services sector and specialty retail industry. Shares are up 36.7% year to date as of the close of trading on Wednesday. Tractor Supply Company operates retail farm and ranch stores in the United States. The company has a P/E ratio of 26.8, above the average specialty retail industry P/E ratio of 26.4 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Tractor Supply 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, good cash flow from operations, solid stock price performance and compelling growth in net income. We feel these strengths outweigh the fact that the company is trading at a premium valuation based on our review of its current price compared to such things as earnings and book value. You can view the full Tractor Supply 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.