NEW YORK ( TheStreet) -- Teekay LNG Partners L.P (NYSE: TGP) is trading at unusually high volume Friday with 825,914 shares changing hands. It is currently at 4.1 times its average daily volume and trading down $2.32 (-6%) at $36.40 as of 3:55 p.m. ET. Teekay LNG Partners L.P has a market cap of $2.6 billion and is part of the services sector and transportation industry. Shares are up 16.7% year to date as of the close of trading on Thursday. Teekay LNG Partners L.P. provides marine transportation services for liquefied natural gas (LNG), liquefied petroleum gas (LPG), and crude oil worldwide. The company has a P/E ratio of 30.1, equal to the average transportation industry P/E ratio and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Teekay LNG Partners L.P as a hold. The company's strengths can be seen in multiple areas, such as its expanding profit margins and solid stock price performance. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, generally poor debt management and disappointing return on equity. You can view the full Teekay LNG Partners L.P Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.