Largan reports gross margin slide to 42.21 percentT2Covered by 1 source · first reported by JP/KR/TW: Korea Herald / Taipei Times / DigiTimes at 08 Oct, 17:44 UTCSourcesT2Largan reports gross margin slide to 42.21 percentJP/KR/TW: Korea Herald / Taipei Times / DigiTimes08 Oct, 17:44