Shares of Coley Pharmaceutical Group Inc. sank nearly 60 percent Wednesday on news that partner Pfizer Inc. has walked away from the investigation lung cancer drug PF-3512676, shelving two Phase III and two Phase II trials. (BioWorld Today)

Shares of Coley Pharmaceutical Group Inc. sank nearly 60 percent Wednesday on news that partner Pfizer Inc. has walked away from the investigation lung cancer drug PF-3512676, shelving two Phase III and two Phase II trials. (BioWorld Today)