The chemicals industry closed the day up 2.8%. Lightbridge ( LTBR), BioFuel Energy Corporation ( BIOF), Penford Corporation ( PENX), and Pure Bioscience Inc ( PURE) were all decliners today within the chemicals industry with Altair Nanotechnologies Inc ( ALTI) being today's featured chemicals loser. Altair Nanotechnologies Inc fell 2 cents (-1.4%) to $1.40 on light volume. Throughout the day, 42,085 shares of Altair Nanotechnologies Inc exchanged hands as compared to its average daily volume of 345,600 shares. Altair Nanotechnologies Inc. develops, manufactures, and sells nano-structured lithium titanate spinel, battery cells, battery packs, and multi-megawatt battery systems, as well as provides related design, installation, and test services in the United States and internationally. Altair Nanotechnologies Inc has a market cap of $42.6 million and is part of the basic materials sector. Shares are down 49.6% year to date as of the close of trading on Friday. TheStreet Ratings rates Altair Nanotechnologies as a sell. The company's weaknesses can be seen in multiple areas, such as its disappointing return on equity, weak operating cash flow and generally disappointing historical performance in the stock itself.