NEW YORK ( TheStreet) -- CYS Investments (NYSE: CYS) is trading at unusually high volume Friday with 4.6 million shares changing hands. It is currently at 5.4 times its average daily volume and trading down 39 cents (-2.8%) at $13.36 as of 9:35 a.m. ET. CYS Investments has a market cap of $1.12 billion and is part of the financial sector and real estate industry. Shares are down 1.5% year to date as of the close of trading on Thursday. No company description available. The company has a P/E ratio of 19.3, above the average real estate industry P/E ratio of 6.5 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates CYS Investments as a sell. Among the areas we feel are negative, one of the most important has been poor debt management on most measures. You can view the full CYS Investments 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.