The dollar is weakening. In simple terms, that means one U.S. dollar buys less, especially when compared to another currency, such as the euro. One year ago, on Feb. 2, 2025, the dollar and the euro were very close to parity. One dollar would buy 0.98 euros. Today, a dollar buys 0.85 euros. It buys 0.73 British pounds and 0.78 Swiss francs. Conversely, one USD buys 155 Japanese yen. The dollar has generally been declining since January 2025, when it closed above 109, and has recently fallen to a four-yea ...