PDL BioPharma (PDLI -4%) trades lower on an RBC downgrade to Sector Perform on valuation....

|About: PDL BioPharma, Inc. (PDLI)|By:, SA News Editor

PDL BioPharma (PDLI -4%) trades lower on an RBC downgrade to Sector Perform on valuation. Analyst Jason Kantor says the stock appears to have "topped out," adding the company is having trouble finding new sources of revenue.