• Cable jumps to 1.3115 as lower UST yields on Trump tariffs hurt USD

• 1.3115 is highest level since Oct 7 (1.3133 was high that day)

• Britain among countries facing lowest 10% tariff rate on imports to U.S.

• 1.2955-1.3025 was GBP/USD range during Trump's Rose Garden speech Wednesday

• Wednesday's low was 1.2901, with 1.2986 marking high before Trump spoke

• CFTC data Friday to show if net GBP long rose again before 'Liberation Day'

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(Robert Howard is a Reuters market analyst. The views expressed are his own)