Invesco UK manager defends 'well diversified' funds after downgrade

LONDON (Reuters) - Invesco fund manager Mark Barnett on Friday challenged a downgrade this week by fund rating firm Morningstar of his Invesco High Income UK and Income UK funds.Morningstar cut the ratings to 'neutral' on Wednesday, citing concern about the proportion of each fund's assets which were invested in illiquid stocks."My funds are appropriately positioned, well diversified and able to generate liquidity should investors wish to buy or sell," Barnett said in a statement.The Invesco..