NEW YORK ( TheStreet) -- Merge Healthcare (Nasdaq: MRGE) is trading at unusually high volume Tuesday with 3.4 million shares changing hands. It is currently at 4.1 times its average daily volume and trading down $1.06 (-17.9%) at $4.84 as of 1:15 p.m. ET. Merge Healthcare has a market cap of $495.1 million and is part of the technology sector and computer software & services industry. Shares are up 21.6% year to date as of the close of trading on Monday. Merge Healthcare Incorporated provides healthcare information technology solutions in the United States and internationally. Its software solutions automate healthcare data and diagnostic workflow to create an electronic record of the patient experience. The company has a P/E ratio of 8.7, below the average computer software & services industry P/E ratio of 273.5 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Merge Healthcare as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance, robust revenue growth and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including unimpressive growth in net income, weak operating cash flow and generally poor debt management. You can view the full Merge Healthcare Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are falling on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVDOWN to 95370 or select from multiple alert options.