USD review: Western Union:

Quotes from Western Union:

- The greenback moved toward the stronger end of its recent narrow range, benefiting from market risks related to Greece and still alive prospects for the Fed to boost interest rates as early as the summer. 

- Fed policy will be front and center for markets next week when chair Janet Yellen delivers her twice yearly economic testimony on Capitol Hill on Tuesday and Wednesday. What the tone of Ms. Yellen's remarks suggests about the arrival of a rate hike will be of critical importance for the dollar.