The premium to borrow dollars in China’s local markets has jumped over the past month, another example of the resurgent US currency’s global reach and persistent headwinds facing the yuan.China’s overnight interbank dollar lending rate hit a record 5.47% on March 29 after a steady climb, before easing to 5.42% Thursday, Bloomberg-compiled data show. That has pushed its gap with the US secured overnight financing rate, a global benchmark, to the widest since July twice in the past two weeks.The tightening supply of the US currency in China has coincided...