NEW YORK ( TheStreet) -- DTS (Nasdaq: DTSI) is trading at unusually high volume Tuesday with 425,607 shares changing hands. It is currently at four times its average daily volume and trading up $3.37 (+7.4%) at $48.72 as of 3:25 p.m. ET. DTS has a market cap of $784.1 million and is part of the consumer goods sector and consumer durables industry. Shares are down 7.5% year to date as of the close of trading on Monday. DTS, Inc. provides technologies that are incorporated into an array of entertainment products worldwide. Its principal DTS digital multi-channel audio technology enables the delivery and playback of compelling surround sound. The company has a P/E ratio of 59.4, above the average consumer durables industry P/E ratio of 55.8 and above the S&P 500 P/E ratio of 21.8. TheStreet Ratings rates DTS 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 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 DTS Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.