Carney says Unilateral Fx Intervention Without Policy Backup Is Seldom Effective

Bank of Canada's Carney Repeats That Canada's Fx Intervention Policy Is to Act When Market Disorderly, or Extreme Movements Threaten Economy

Commodities fall Hurt by Strong Dollar

Fed's Dudley says Business Uncertainty Over Healthcare Probably Contributing to Overall Caution

*Australian Dollar Gains Against Majors; Now At 1.4169 Versus Euro