.50 US Key Research: ••• Multiple brokers initiates HAWK, GS reinstates LXK & upgrades ELX, UBS upgrades FIO (buy) ••• MS upgrades RY & downgrades BMO & initiates MNST, Roth downgrades SCTY .. DB downgrades GFI & upgrades CPA, Wells initiates LMOS (op), Citi upgrades MDRX (buy) • Nomura initiates KM