Disposals also likely, clients to be cut -CEO memo to staff
Barclays is not alone in trying to decide the best size and shape of its investment bank in a changed regulatory landscape.
Closing banks and restricting the flow of capital can build pressure for a solution as finances get squeezed.
The bank is expected to report a pre-tax profit of $21 bn.
HSBC's Swiss bank routinely allowed clients to withdraw "bricks" of cash
Seeks to cut 1.7 billion pounds in annual costs and improve standards.