Sequenom ( SQNM) is a diagnostic testing and genetics analysis company committed to providing products, services, diagnostic testing, applications and genetic analysis products. The stocks is up 34 cents, or 6.4%, at $5.66 in recent trading. Volume: 4.4 million Average Volume: 1.5 million Volume % Change: 187.8% Ratings: Of 11 analysts covering the stock, seven rate it a buy, three rate it a hold, and one rates it a sell. TheStreet Ratings has a D- sell rating on Sequenom. Sequenom shows up on a recent list of the 10 Most Shorted Stocks in Biotech and was one of 11 Stocks Loved or Hated by Hedge Funds in the most recently reported quarter. Mesabi Trust ( MSB) is a grantor trust in the U.S. The stocks is up 37 cents, or 1.6%, at $24.16 in recent trading. Volume: 238,971 Average Volume: 115,800 Volume % Change: 105.8% Ratings: The single analyst covering Mesabi rates it a moderate buy. TheStreet Ratings has a B- buy rating on the stock. Mesabi is one of the top-yielding financial services stocks. Halozyme Therapeutics ( HALO) is a biopharmaceutical company, which is dedicated to the development and commercialization of products targeting the extracellular matrix for the endocrinology, oncology, dermatology and drug delivery markets. The stocks is trading up 16 cents, or 2.6%, at $6.25 in recent trading. Volume: 960,982 Average Volume: 490,200 Volume % Change: 95.2% Ratings: Of 10 analysts covering the stock, eight rate it a buy, and two rate it a hold. TheStreet Ratings has a D- sell rating on Halozyme. Achillion Pharmaceuticals ( ACHN) is a biopharmaceutical company that focuses on the discovery, development and commercialization of innovative treatments for infectious diseases. The stocks is trading up 8 cents, or 1.4%, at $5.90. Volume: 1.2 million Average Volume: 600,300 Volume % Change: 89.27% Ratings: Of 13 analysts covering the stock, 11 rate it a buy, and two rate it a hold. TheStreet Ratings has an E+ sell rating on Achillion. Acillion shows up on a recent list of 10 Hep C Stocks on Wall Street's Watch List.