Banks Too Big to Manage Find Davos Vow of Trust Too Hard to Win

Leaders of the world’s biggest banks, from Citigroup Inc.’s Vikram Pandit to Barclays Plc’s Robert Diamond, have failed to honor promises made in Davos to restore trust in their industry after the financial crisis.

UBS AG Chairman Axel Weber, the former Bundesbank president who’s serving as one of six co-chairs of the World Economic Forum’s annual meeting in the Swiss ski resort this week, is taking a different approach. His bank is shrinking.