Why does this matter? Well, a falling dollar will only exacerbate recent inflation pressures. It will drive commodity prices even higher (since they’re priced in dollars), threatening the economic recovery. A lot of blame for the dollar’s weakness has been placed at the feet of the Fed. They currently aren’t even officially considering raising interest rates from their ultra-low level; instead, they’re still furiously pumping credit through their QE2 program.
Critics wonder about the necessity of such stimulus when the economy is supposedly almost two years into a new expansion. The Fed has countered that they’ll be able to successfully remove the excess stimulus when the time is right and prevent inflation from really taking hold. The action in the dollar seems to indicate that the market isn’t buying it.
Chart: Trade-weighted dollar index w/ underlying support levels