Terra Nitrogen Company L.P ( TNH) pushed the Basic Materials sector lower today making it today's featured Basic Materials loser. The sector as a whole closed the day up 0.4%. By the end of trading, Terra Nitrogen Company L.P fell $16.59 (-7.5%) to $203.40 on heavy volume. Throughout the day, 273,434 shares of Terra Nitrogen Company L.P exchanged hands as compared to its average daily volume of 88,000 shares. The stock ranged in price between $200.74-$224.99 after having opened the day at $222 as compared to the previous trading day's close of $219.99. Other company's within the Basic Materials sector that declined today were: Clean Diesel Technologies ( CDTI), down 20.1%, BPZ Resources ( BPZ), down 12.1%, Copano Energy ( CPNO), down 11.3%, and ATP Oil & Gas ( ATPG), down 9.8%. Terra Nitrogen Company, L.P. engages in the production and sale of nitrogen fertilizer products. It primarily offers anhydrous ammonia and urea ammonium nitrate solutions. Terra Nitrogen GP Inc. serves as the general partner of the company. Terra Nitrogen Company, L.P. Terra Nitrogen Company L.P has a market cap of $4.25 billion and is part of the chemicals industry. The company has a P/E ratio of 14.8, below the average chemicals industry P/E ratio of 15 and below the S&P 500 P/E ratio of 17.7. Shares are up 31% year to date as of the close of trading on Wednesday. TheStreet Ratings rates Terra Nitrogen Company L.P as a buy. 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, notable return on equity, expanding profit margins and good cash flow from operations. Although no company is perfect, currently we do not see any significant weaknesses which are likely to detract from the generally positive outlook.