50 (below), Vital Therpies (VTL) 4.5M shares priced at $12 (below), Zoosk (ZSK) files $100M IPO through Bofa, Citi, RBC IPO's (lock-up expiration): Waterstone Financial (WSBF), Fuel Cell Energy (FCEL), First Republic Bank (FRC) US Key Research: EFTA00370947 • BMO initiates RFMD/SWKS/TWNT (mp), DB upgrades EFX (bu