NEW YORK ( TheStreet) -- Shares of GT Solar International (Nasdaq: SOLR) were gapping up Tuesday morning with an open price 13.3% higher than Monday's closing price. The stock closed at $11.62 Monday and opened today's trading at $13.16. The average volume for GT Solar International has been 3.1 million shares per day over the past 30 days. GT Solar International has a market cap of $1.5 billion and is part of the technology sector and electronics industry. Shares are up 27.4% year to date as of the close of trading on Monday. GT Solar International, Inc. engages in the design and manufacture of manufacturing equipment; and provision of services for the production of photovoltaic (PV), wafer, cell and module, and polysilicon products worldwide. The company has a P/E ratio of 11.4, equal to the average electronics industry P/E ratio and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates GT Solar International as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, solid stock price performance and notable return on equity. However, as a counter to these strengths, we find that the company has not been very careful in the management of its balance sheet. You can view the full GT Solar International 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.