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Oppenheimer Downgrades Prothena Corporation (NASDAQ:PRTA) to Perform from Outperform [Yahoo! Finance]

Prothena Corporation plc - Ordinary Shares  (PRTA) 
Last prothena corporation plc - ordinary shares earnings: 2/12 04:05 pm Check Earnings Report
US:NASDAQ Investor Relations: ir.prothena.com
PDF This rating update came after Prothena Corporation's (NASDAQ:PRTA) May 23 announcement that its Phase 3 AFFIRM-AL trial for birtamimab in amyloid light chain amyloidosi [Read more]