By Elliot Gulliver-Needham Over half of Invesco funds have seen their performance flagged as an “area of concern” in the firm’s annual Assessment of Value report, City A.M. can reveal. 22 of Invesco’s 51 funds received a red rating, or ‘area of concern identified’ for their fund performance, with six more receiving a yellow in a traffic light system, or ‘potential area of concern identified rating. Asset managers are required to publish an Assessment of Value report annually by the Financial Conduct Authority. Measured over a five-year rolling period, only 14 Invesco funds outperformed their b…