NEW YORK ( TheStreet) -- TravelCenters of America LLC (AMEX: TA) is trading at unusually high volume Friday with 1.8 million shares changing hands. It is currently at four times its average daily volume and trading down $1.34 (-12.1%) at $9.77 as of 11:37 a.m. ET. TravelCenters of America LLC has a market cap of $199.2 million and is part of the services sector and specialty retail industry. Shares are up 205% year to date as of the close of trading on Thursday. TravelCenters of America LLC, together with its subsidiaries, operates and franchises travel centers primarily along the United States interstate highway system. TheStreet Ratings rates TravelCenters of America LLC as sell. The company's weaknesses can be seen in multiple areas, such as its disappointing return on equity, generally weak debt management and poor profit margins. You can view the full TravelCenters of America LLC Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.