ngrades SLB • Macquarie upgrades SM, DB cuts DOV (sell), Mizuho downgrades WAG, Northland initiates PMCS (op) • Opco initiates NXPI (op) & upgrades AEO & downgrades APTO/SVU, Roth initiates NDRM/JYNT (buy) • RBC initiates FGEN (op) & downgrades CBST, Stifel initiates FGEN (buy) and COG/APC/NFX/NBL (ho