The aerospace/defense industry closed the day up 4.1%. Sifco Industries Inc ( SIF) were all decliners today within the aerospace/defense industry with Astrotech ( ASTC) being today's featured aerospace/defense loser. Astrotech fell 2 cents (-3.3%) to 58 cents on average volume. Throughout the day, 40,771 shares of Astrotech exchanged hands as compared to its average daily volume of 28,800 shares. Astrotech Corporation operates as a commercial aerospace company in the United States. The company provides spacecraft payload processing and related services; designs and manufactures space hardware; and commercializes space technologies for use on the Earth. Astrotech has a market cap of $11.2 million and is part of the industrial goods sector. Shares are down 46.9% year to date as of the close of trading on Wednesday. TheStreet Ratings rates Astrotech as a sell. The company's weaknesses can be seen in multiple areas, such as its feeble growth in its earnings per share, deteriorating net income, disappointing return on equity and poor profit margins.