NEW YORK ( TheStreet) -- Capella Education Company (Nasdaq: CPLA) is trading at unusually high volume Tuesday with 591,845 shares changing hands. It is currently at four times its average daily volume and trading down $5.90 (-13%) at $39.45 as of 3:55 p.m. ET. Capella has a market cap of $618 million and is part of the services sector and diversified services industry. Shares are up 25.8% year to date as of the close of trading on Monday. Capella Education Company through its subsidiary, Capella University, provides online postsecondary education services in the United States. The company has a P/E ratio of 12.1, above the average diversified services industry P/E ratio of 11.7 and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Capella as a hold. The company's strengths can be seen in multiple areas, such as its largely solid financial position with reasonable debt levels by most measures, attractive valuation levels and good cash flow from operations. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, a generally disappointing performance in the stock itself and feeble growth in the company's earnings per share. You can view the full Capella 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.