The story came out during the Europe/UK session Thursday and was a factor weighing on the EUR/USD then

Headlines here: Euro falls further on reports that ECB policy makers have increasing concern on recent strength

The full Reuters story is here ICYMI: ECB unease over firmer euro risks slowing asset purchase exit: sources

  • Rapid gains by the euro against the dollar are worrying a growing number of policymakers at the ECB
  • Raising the chance its asset purchases will be phased out only slowly, three sources familiar with discussions told Reuters
  • the European Central Bank is highly unlikely to take any decision at next Thursday's rate meeting, the sources said.
  • "The exchange rate has become a bigger issue," one of the sources told Reuters. "It is now less favorable for an exit and a stronger argument for a muddle-through option."

More at that link to Reuters