NEW YORK ( TheStreet) -- Convio (Nasdaq: CNVO) is trading at unusually high volume Thursday with 1.2 million shares changing hands. It is currently at 4.1 times its average daily volume and trading up 35 cents (+2.2%) at $16 as of 11:25 a.m. ET. Convio has a market cap of $296.6 million and is part of the technology sector and computer software & services industry. Shares are up 41.6% year to date as of the close of trading on Wednesday. Convio, Inc. provides on-demand constituent engagement solutions that enable nonprofit organizations (NPOs) to raise funds, advocate for change, and cultivate relationships with donors, activists, volunteers, alumni, and other constituents in North America. The company has a P/E ratio of 20.6, equal to the average computer software & services industry P/E ratio and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Convio as a hold. The company's strengths can be seen in multiple areas, such as its robust 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 growth in the company's earnings per share has not been good. You can view the full Convio Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.