text: Dollar Firms Ahead of Greenspan Testimony  TOKYO (Reuters) - The dollar firmed on Wednesday as  investors awaited comments from the Federal Reserve chief that  are expected to point to further rises in U.S. interest rates  this year.
inputs: Dollar Firms Ahead of Greenspan Testimony  TOKYO (Reuters) - The dollar firmed on Wednesday as  investors awaited comments from the Federal Reserve chief that  are expected to point to further rises in U.S. interest rates  this year.