The IMA has said it will ensure the UK Equity Income sector does not become "unrepresentative" as other funds look set to follow Invesco Perpetual High Income out of the peer group.
US equity funds saw record outflows in February as investors switched out following a run-up in share prices to all-time highs.
The Investment Management Association (IMA) plans to complete work to improve charges disclosure and introduce an effective statement of principles by the end of the year, the organisation's chief executive has said.
Whitechurch Securities is considering imposing a cap on the size of funds it buys for clients, a move which may see it automatically sell a fund once it hits a set limit.