NEW YORK ( TheStreet) -- Shares of RealD (NYSE: RLD) were gapping down Thursday morning with an open price 15.5% lower than Wednesday's closing price. The stock closed at $11.26 Wednesday and opened today's trading at $9.51. The average volume for RealD has been 614,800 shares per day over the past 30 days. RealD has a market cap of $585.5 million and is part of the services sector and media industry. Shares are down 56.6% year to date as of the close of trading on Wednesday. RealD Inc., together with its subsidiaries, licenses stereoscopic 3D technologies in the United States, Canada, and internationally. TheStreet Ratings rates RealD as a sell. Among the areas we feel are negative, one of the most important has been weak operating cash flow. You can view the full RealD 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.