BRIEF-Prothena up 9.2 percent premarket; reaches collaboration deal with Roche
December 12, 2013 at 08:21 AM EST
NEW YORK, Dec 12 (Reuters) - Prothena Corporation PLC : * Prothena corp up 9.2 percent to $29.90 in premarket; reaches collaboration deal with Roche for Parkinson's disease treatment
