The 15-nation euro fell slightly Wednesday against the U.S. dollar. In morning European trading the euro bought US$1.5494, down from US$1.5513 late in New York on Tuesday. The British pound continued to drop, hitting US$1.9522 compared to US$1.9569 in New York, while the dollar rose to purchase 108.02 Japanese yen from 107.99 yen late Tuesday, the Associated Press reported.