Invesco Perpetual

Shares collapsed 60% since April

Both funds in the top traded lists

Armour to retire at end of 2016

Financials and oil stocks favoured

Mark Barnett, head of UK equities at Invesco Perpetual and manager of the Edinburgh investment trust, analyses the growing pressures on listed companies from a number of sources.

Banks forced to scale back role

Invesco Perpetual duo on challenges for today's investors

No need for 'violent reaction'

Changes made as vehicle's AUM grows to £2.9bn

Invesco Perpetual has promoted Jack Parker to deputy fund manager on a series of funds, including a trio of offshore portfolios run by co-heads of fixed interest Paul Causer and Paul Read.