Cable hits 1.3917 following its early Ldn break above 1.3906 (Tuesday high)

GBP supported by EMA's Tuesday backing for AZ's COVID-19 shot nL8N2LE2KT

AZ shots have played a big role in UK's speedy rollout of COVID-19 vaccines

Offers expected near 1.3950 (Monday's high) if GBP/USD extends north

1.3809 was Tuesday's one-week low (after some profit-taking on GBP longs)

FOMC event risk in pipeline nL1N2L82OTnL1N2L72RT. BoE MPA Thursday