The Dow Jones Industrial Average is surging higher 138 points to 12,158 and the S&P 500 Index is higher 1.5% to 1,263. Here are the most buzzing stocks among traders and investors today:

1. Affymax, Inc. (NASDAQ:AFFY): Shares of Affymax, Inc. are trading higher 21% today. Affymax Inc. is a clinical-stage biopharmaceutical company. The Company develops peptide-based drugs for the treatment of serious and life-threatening conditions such as kidney disease and cancer. Get the most recent company news and stock data here >>
2. SuccessFactors, Inc. (NYSE:SFSF): Shares of SuccessFactors, Inc. are trading higher 51% today. SuccessFactors, Inc. provides on-demand performance and employee software solutions to help organizations optimize their performance. Get the most recent company news and stock data here >>
3. Dollar General Corp. (NYSE:DG): Shares of Dollar General Corp. are trading higher 1.5% today. Dollar General Corp. operates a chain of discount retail stores located primarily in the southern, southwestern, midwestern and eastern United States. The Company offer a broad selection of merchandise, including consumable products such as food, paper and cleaning products, health and beauty products and pet supplies, and non-consumable products such as seasonal merchandise. Get the most recent company news and stock data here >>
4. Taleo Corporation (NASDAQ:TLEO): Shares of Taleo Corporation are trading higher 19% today. Taleo Corporation is a provider of enterprise staffing management solutions that enable large organizations to establish, automate and manage worldwide staffing processes for professional, hourly and temporary staff. Get the most recent company news and stock data here >>
5. Entergy Corporation (NYSE:ETR): Shares of Entergy Corporation are trading higher 4% today. Entergy Corporation is an integrated energy company that is primarily focused on electric power production and retail electric distribution operations. The Company delivers electricity to utility customers in Arkansas, Louisiana, Mississippi, and Texas. Entergy also owns and operates nuclear plants in the northern United States Get the most recent company news and stock data here >>
6. ITC Holdings Corp. (NYSE:ITC): Shares of ITC Holdings Corp. are trading higher 3.9% today. ITC Holdings Corporation is a holding company. Through subsidiaries, the Company transmits electricity from electricity generating stations to local electricity distribution facilities. ITC invests in electricity transmission infrastructure improvements as a means to improve electricity reliability and reduce congestion. Get the most recent company news and stock data here >>
7. SAP AG (NYSE:SAP): Shares of SAP AG are trading flat today. SAP AG is a multinational software company. The Company develops business software, including e-business and enterprise management software, consults on organizational usage of its applications software, and provides training services. SAP markets its products and services worldwide. Get the most recent company news and stock data here >>
8. Hi-Tech Pharmacal Co. (NASDAQ:HITK): Shares of Hi-Tech Pharmacal Co. are trading lower 4% today. Hi-Tech Pharmacal Co., Inc. manufactures prescription and over-the-counter generic and branded pharmaceuticals in liquid and semi-solid dosage forms. The Company also manufactures sterile ophthalmic, otic, and inhalation products and provides sterile manufacturing contract services. Hi-Tech markets its own products under names such as H-T, Rx Choice, DiabetiDerm, and Steri-Optics. Get the most recent company news and stock data here >>
9. TearLab Corporation (NASDAQ:TEAR): Shares of TearLab Corporation are trading higher 29% today. TearLab Corp. is an in-vitro diagnostics company. The Company develops and commercializes lab-on-a-chip technologies that enable eye care practitioners to test for sensitive and specific biomarkers in tears at the point-of-care. Get the most recent company news and stock data here >>
10. Piedmont Natural Gas Company Inc. (NYSE:PNY): Shares of Piedmont Natural Gas Company Inc. are trading higher 2.38%today. Piedmont Natural Gas Company, Inc. is an energy and services company that primarily transports, distributes, and sells natural gas. The Company serves residential, commercial, and industrial customers in North Carolina, South Carolina, and Tennessee. Piedmont also, through subsidiaries, markets natural gas to customers in Georgia, and distributes propane in various states. Get the most recent company news and stock data here >>

(Note: Selected financial data are sourced from Google Finance. All data are assumed to be accurate.)

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