In a move that will shock some investors but please others, the European Central Bank has raised its benchmark interest rate by 25 basis points, to 4.25%. On several recent occasions, Jean-Claude Trichet had alluded to the possibility, in connection to soaring inflation. Critics, including several politicians, have countered that the ECB should also be cognizant of the macroeconomic picture in Europe, which is faltering amid the global credit crunch. But such naysayers should remember that the ECB is mandated to maintain price stability, rather than to explicitly facilitate economic growth. In any event, this move certainly throws a wrench into the forex markets. The Dollar had rallied over the last couple months, as traders had prepared for a narrowing US-EU interest rate differential in the medium-term. So much for that theory, reports The New York Times:

But the sharp rise in inflation has put Europe’s bank into a policy bind because it has been accompanied, in recent days, by evidence that the economy here is deteriorating much like that of the United States.

Read More: Eyes on Inflation, European Bank Raises Rate