IPO's (lock-up expired): Mobilelron (MOBL) 62.3M shares (83.5% of outstanding), Nordic American Offshore (NAO) 4.1M shares (18.1% of outstanding), Zhaopin (ZPIN) 43.6M shares (87.2% of outstanding) US Key Research: • Citi initiates DDC (buy), Atlantic downgrades M, Baird downgrades VZ, CS upgrades LHC