NEW YORK ( TheStreet) -- Shares of Rosetta Stone (NYSE: RST) were gapping down Friday morning with an open price 13.2% lower than Thursday's closing price. The stock closed at $10.15 Thursday and opened today's trading at $8.81. The average volume for Rosetta Stone has been 129,200 shares per day over the past 30 days. Rosetta Stone has a market cap of $209.7 million and is part of the technology sector and computer software & services industry. Shares are down 52.2% year to date as of the close of trading on Thursday. Rosetta Stone Inc. provides technology-based language learning solutions primarily in the United States and internationally. It develops, markets, and sells language learning solutions consisting of software, online services, and audio practice tools primarily under its Rosetta Stone brand. TheStreet Ratings rates Rosetta Stone as a sell. The company's weaknesses can be seen in multiple areas, such as its feeble growth in its earnings per share, deteriorating net income, disappointing return on equity, weak operating cash flow and generally disappointing historical performance in the stock itself. You can view the full Rosetta Stone 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.