Penny Stock Buzzers - Merrimack Pharmaceuticals Inc (NASDAQ:MACK), Cadence Pharmaceuticals, Inc. (NASDAQ:CADX), Capstone Turbine Corporation (NASDAQ:CPST), National Penn Bancshares (NASDAQ:NPBC)

Stamford, CT -- (SBWIRE) -- 12/21/2013 -- OTC Stock Picks is engaged in providing the most up to date and useful information on the Best Penny Stocks that are poised to breakout. Our penny stock newsletter alerts the market with picks that Wall Street stock traders have ignored or haven’t found out about yet. Here are some of the most awesome penny stocks we came up with that the ‘underground penny stock experts’ are always bragging about in their penny stock newsletters. Have a look on today’s market movers: Merrimack Pharmaceuticals Inc (NASDAQ:MACK), Cadence Pharmaceuticals, Inc. (NASDAQ:CADX), Capstone Turbine Corporation (NASDAQ:CPST), National Penn Bancshares (NASDAQ:NPBC) Merrimack Pharmaceuticals Inc (NASDAQ:MACK) opened the session at $4.97, trading in a range of $4.88 - $5.05,. The stock showed a positive performance of +1.93% in the last trading session from its previous close of $4.92 and closed at $5.01. The stock traded on a volume of 2.38 million shares and the average volume of the stock remained 2.68 million shares. Merrimack Pharmaceuticals, Inc., a biopharmaceutical company, focuses on discovering, developing, and preparing to commercialize medicines paired with companion diagnostics for the treatment of cancer in the United States. The company uses its Network Biology proprietary systems biology-based approach to biomedical research.