MWE, EDR, CLWR, EROC IPO's: N/A Key Research: Barcap initiates SCSS (ow) & ZZ (uw) and PANW (ew), Key downgrades SCSC Key Research: GS downgrades DPZ/ENVI & resumes TIBX (neut) & initiates PANW (buy) Key Research: Citi initiates CYOU/GA/PWRD (buy's) & GAME/NTES (neut's) & downgrades GRPN Key Research: J