BUZZ-Domino's Pizza: top midcap gainer on Citi upgrade
** Domino's Pizza up 4 pct, top FTSE midcap riser after Citi raises stock to "buy", lifts PT to 1170p from 760p
** Co last week said it sees FY results ahead of its expectations after a surge in online sales boosted Q3 (UK LfL sales +14.9%)
** Citi sees mobile ordering -- a key driver of LFL sales momentum -- continuing (RM (LSE: RM.L - news) : aastha.agnihotri.thomsonreuters.com@reuters.net)