• USD/KRW retreats to 1359.5, slipping under 21 DMA 1362.2

• Potential Fri close below 21 DMA indicates loss of chart support

• That may open the way to Bollinger downtrend channel 1347.4

• USD/JPY sliding due to jawboning pulls most USD/AXJ lower

• Japan finmin says Trump concerned at yen weakness

• But UST yields stay elevated, buoying USD elsewhere; 2y 4.906%
KRW

(Ewen Chew is a Reuters market analyst. The views expressed are his own.)