LXK & upgrades AMCX JPM initiates Y (neut) & upgrades CVX, Citi upgrades MRK (buy) & downgrades Jeff downgrades EE, Piper initiates BKW/DNKN (ow's) & CBOU (neut), Canaccord ISI initiates ATHN/CTRX/MDAS/QSII (ow) & CERN/MDRX (mw) & HSIC/PDCO (uw), Jany EFTA00409091 initiates HSH Key Research: cuts