If so, regulators might need to increase sharply the amount of capital that financial firms hold to protect themselves against extreme conditions.

ECONOMIST: A new approach to financial risk

The commission, chaired by Sir John Vickers, an independent-minded economist, also called for a big increase in the amount of capital held within these ring-fenced banks as a buffer against losses.

ECONOMIST: Bank reform

Give the CFTC authority to increase the trader margins the amount of their own capital that traders must set aside for each bet.

FORBES: Connect