The metals & mining industry closed the day up 0.7%. Nanophase Technologies Corporation ( NANX), Comstock Mining Inc ( LODE), Oilsands Quest Inc ( BQI), and Revett Minerals Inc ( RVMID) were all decliners today within the metals & mining industry with Tenaris ( TS) being today's featured metals & mining loser. Tenaris fell 26 cents (-0.9%) to $27.98 on average volume. Throughout the day, two million shares of Tenaris exchanged hands as compared to its average daily volume of 2.6 million shares. Tenaris S.A., through its subsidiaries, engages in the manufacture and sale of steel pipe products. Tenaris has a market cap of $15.9 billion and is part of the basic materials sector. TheStreet Ratings rates Tenaris as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures and reasonable valuation levels. However, as a counter to these strengths, we find that the stock has had a generally disappointing performance in the past year.