grades MDCO • Raja initiates GBDC/HAFC (op), Vertical initiates DMRC (buy), RBC initiates PCL (op) • Jefferies upgrades EFX/EIX (buy), JPM upgrades GOGO/BWP, Longbow initiates NCLH (buy) • Piper assumes SNDK (ow) & upgrades RALY, RBC upgrades AA & cuts SO, Raja downgrades HBAN • SunTrust initiates KRO (