European leaders promise to consider ways to guarantee bank debt.

European policy makers may force banks to boost Tier 1 capital.

European policy makers may force banks to boost Tier 1 capital.

But asset sales may be difficult in current markets, which could limit shrinkage.

But asset sales may be difficult in current markets, which could limit shrinkage.

Markets speculate Europe will agree on recapitalization plan.

Markets speculate Europe will agree on recapitalization plan.

Deutsche Bank, UniCredit lose argument that requirement could stunt economic growth.