GBP$ ending NorAm -0.1% at 1.2740; NorAm range 1.28-1.2719

Europe high put in on UST yield dip; front-end yield rise weighs on GBP

Sterling probes daily cloud base support as US yields tick higher

Jackson Hole, Powell Friday key event; marts tipped to high-for-longer Fed

Supt by bruised dly cloud base 1.2726, then Aug 18 low 1.2690, 100DMA 1.2634

Res 55-DMA at 1.2771, Aug 22 high 1.28, 30-DMA 1.2827

UK Aug flash PMIs on Wednesday seen soft may diminish BoE rate expectations

But, U.S. jobless claims and Powell comments Friday more meaningful