NEW YORK ( TheStreet) -- Shares of Glu Mobile (Nasdaq: GLUU) were gapping up Tuesday morning with an open price 10.9% higher than Monday's closing price. The stock closed at $3.13 Monday and opened today's trading at $3.47. The average volume for Glu Mobile has been three million shares per day over the past 30 days. Glu Mobile has a market cap of $216 million and is part of the technology sector and computer software & services industry. Shares are up 51.2% year to date as of the close of trading on Monday. Glu Mobile Inc. engages in the design, marketing, and sale of casual and traditional mobile games worldwide. The company creates games and related applications based on its own original brands and intellectual property, as well as third-party licensed brands. TheStreet Ratings rates Glu Mobile as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures and solid stock price performance. However, as a counter to these strengths, we find that the company's return on equity has been disappointing. You can view the full Glu Mobile Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping up? Get free SMS text alerts sent to you when the action happens by texting UP to 95370 or select from multiple alert options.