NEW YORK ( TheStreet) -- Shares of Mattson Technology (Nasdaq: MTSN) were gapping down Wednesday morning with an open price 14% lower than Tuesday's closing price. The stock closed at $2.22 Tuesday and opened today's trading at $1.91. The average volume for Mattson Technology has been 364,800 shares per day over the past 30 days. Mattson Technology has a market cap of $110.7 million and is part of the technology sector and electronics industry. Shares are down 26% year to date as of the previous trading day's close. Mattson Technology, Inc. designs, manufactures, and markets semiconductor wafer processing equipment used in the fabrication of integrated circuits for the semiconductor manufacturing industry worldwide. TheStreet Ratings rates Mattson Technology as a sell. The company's weaknesses can be seen in multiple areas, such as its poor profit margins and generally disappointing historical performance in the stock itself. You can view the full Mattson Technology Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping down? Get free SMS text alerts sent to you when the action happens by texting DOWN to 95370 or select from multiple alert options.