ut) Key Research: Evercore upgrades NOK, Stifel initiates AYI (hold), Wunderlich upgrades XXIA (buy) & downgrades IBKC Key Research: GS downgrades LL & upgrades WR, UBS initiates SAM (neut) & assumes OKS (neut), CLSA upgrades DO Key Research: Bofa upgrades Wynn Macau (1128 hk)/GLE FP (buy) and BNP