The dollar declined to the weakest level against the euro since before the bankruptcy of Lehman Brothers Holdings Inc., unwinding gains posted when the plunge in global financial markets spurred demand for safety.
Brazil’s real and Mexico’s peso rose on speculation carry- trade investors bought higher-yielding assets at the expense of the greenback. The dollar’s decline helped push gold to a record high and buoyed Treasuries. Sterling rose from a six-month low against the euro as Bank of England Deputy Governor Charles Bean said asset purchases may be working.