Monday January 13 Final: Hercules Site Services Economic announcement: PageGroup Tuesday January 14 Final: Ramsdens Holdings Interim: Games Workshop Group Trading announcements: Robert Walters, Grafton Group, Ocado Group, Knights Group Holdings Wednesday January 15 Final: Victorian Plumbing Group Interim: Frontier Developments Trading announcements: Hays, Fuller, Smith & Turner, Currys, Vistry Group Economic announcements: Producer price index, Consumer price index, Retail price index Thursday...