owngrades Euro Mining Opco initiates YUM (op), Wunderlich downgrade CFR, Piper upgrades DWA UBS downgrades DSV DC & initiates EPAM (buy) & upgrades NUE/STLD (buy's) Enskilda downgrades HMB SS, HSBC downgrades AIXA GY/VIP, Exane positive LLOY Berenberg upgrades IFX GY, Exane upgrades ANTO LN, Jefferies u