Shares of Optimer Pharmaceutical (OPTR +14%) ramped up into the close on reports that...

Shares of Optimer Pharmaceutical (OPTR +14%) ramped up into the close on reports that AstraZeneca (NYSE:AZN), Astellas Pharma (OTCPK:ALPMY) and Cubist Pharmaceuticals (CBST) are among the first round bidders for the antibiotic manufacturer. OPTR disclosed almost three months ago that they were working with Centerview Partners and JPMorgan to explore its strategic options, including a potential sale.