** Shares of therapy developer Larimar Therapeutics LRMR.O jump 32% to $3.71 premarket
** Co says the U.S. FDA granted a breakthrough designation for its experimental therapy nomlabofusp
** A breakthrough therapy tag is meant to speed up development and review of drugs to treat a serious condition or unmet medical need
** Nomlabofusp is a protein replacement therapy for the treatment of adults and children with the neurodegenerative disorder, Friedreich's ataxia
** Co plans to submit marketing application for nomlabofusp by June
** Up to last close, stock down 26.3% YTD
(Reporting by Christy Santhosh)
((Christy.Santhosh@thomsonreuters.com))