& upgrades KMT, Piper downgrades PACB Europe Key Research: ••• Liberum upgrades SDF GY & ICL IT, Jefferies initiates SRG IM (buy), Citi downgrades G IM (sell), Barcap downgrades CCH LN • Alpha Value downgrades SWEDA SS, Berenberg initiates IFX GY (buy) & STM FP (sell), Mediobanca downgrades GAS SM