Benzinga Mid-Day Market Update

Mid way through trading Friday, the Dow was up about 0.24 percent, or roughly 33.24 points. The NASDAQ rose about 0.44 percent, or 14.09 points, while the S&P traded up 0.27 percent, decreasing 3.97 points. Merrimack Pharmaceuticals

got a boost Friday with share prices rising 10.76 percent, trading around $10.40. Halozyme Therapeutics

was also on the rise, rocketing up 29.03 percent to $8.27 following positive news on its Cinryze drug. Skyworks Solutions

also got a boost, after it took a hit yesterday following its presentation to analysts. Shares traded up 2.92 percent around $24.73. Shares of Rock-Tenn

rose 2.36 percent in early trading to $68.95. VIVUS

took a beating in early trading, falling 11.41 percent to $21.01 Friday following after announcing it does not believe its Qsiva marketing will be approved. Cooper Tire & Rubber

continued its fall mid way through the day Friday, dropping 10.22 percent to $19.74 following a KeyBanc Capital Markets downgrade to a Hold rating. Celanese Corporation

dropped 3.50 percent to $40.56 after Wells Fargo downgraded them from Outperform to Market Perform. In tech news, Apple

released its iPhone 5 in stores today, which CNBC stated was the largest consumer electronic release of all time. Mid way through the day Friday, shares of Apple traded up 0.82 percent around $704.43. Friday was light on economic news as there were no economic releases of note.