NEW YORK ( TheStreet) -- Stratasys (Nasdaq: SSYS) is trading at unusually high volume Tuesday with 663,983 shares changing hands. It is currently at four times its average daily volume and trading up $1.82 (+4.4%) at $43.03 as of 3:04 p.m. ET. Stratasys has a market cap of $747.4 million and is part of the technology sector and computer hardware industry. Shares are up 35.5% year to date as of the close of trading on Monday. Stratasys, Inc., together with its subsidiaries, engages in the development, manufacture, marketing, and servicing of three-dimensional (3D) printers, rapid prototyping (RP) systems, and related consumable materials for office-based RP and direct digital manufacturing (DDM) markets. The company has a P/E ratio of 37.9, above the average computer hardware industry P/E ratio of 37 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Stratasys as a buy. The company's strengths can be seen in multiple areas, such as its impressive record of earnings per share growth, robust revenue growth, largely solid financial position with reasonable debt levels by most measures, expanding profit margins 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 Stratasys 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.