Article in todays NY Times. The euro traded below $1.19 at times on Monday, the lowest level in nine years (it was $1.39 as recently as May). The dollar index, which tracks the dollar against six other major alternatives, is up almost 15 percent since June 30. Those swings are big enough to reshape the terms of economic interaction among the most powerful nations on earth — and will affect almost any company or individual doing business across national borders.