UK's Future shares fall on margin forecast revision due to Google traffic shift
March 31 (Reuters) - British publishing firm Future Plc FUTR.L lowered its full-year margin outlook to the range of 25-27% as deeper-than-expected changes in Google search traffic hurt its higher-margin advertising and online shopping revenue, dragging its shares down 28% on Tuesday. (Reporting by Rishab Shaju in Bengaluru; Editing by Rashmi Aich) ((Rishab.shaju@thomsonreuters.com ; +91 9048142177))