NEW YORK ( TheStreet) -- Rofin-Sinar Technologies Incorporated (Nasdaq: RSTI) is trading at unusually high volume Friday with 937,274 shares changing hands. It is currently at 4.3 times its average daily volume and trading down 47 cents (-2.1%) at $21.49 as of 2:10 p.m. ET. Rofin-Sinar has a market cap of $631.3 million and is part of the technology sector and electronics industry. Shares are down 38% year to date as of the close of trading on Thursday. Rofin-Sinar Technologies Inc. engages in the design, development, engineering, manufacturing, and marketing of laser-based products primarily in Germany and North America. The company offers laser macro products to machine tool and automotive markets for cutting and welding of metals. The company has a P/E ratio of 11.8, below the average electronics industry P/E ratio of 11.9 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Rofin-Sinar as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures and impressive record of earnings per share growth. However, as a counter to these strengths, we find that we feel that the company's cash flow from its operations has been weak overall. You can view the full Rofin-Sinar 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 falling on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVDOWN to 95370 or select from multiple alert options.