Yen headed for strongest week in a month, dollar flat ahead of payroll data
By Jiaxing Li and Ankur Banerjee HONG KONG, Sept 4 (Reuters) - The Japanese yen clung to its gains against the U.S. dollar on Friday and was on track for its strongest week in more than a month, as traders ramped up bets on a Bank of Japan interest rate hike and broader currency markets awaited U.S.