The U.S. dollar traded at the lower 91 yen level Tuesday morning in Tokyo. The dollar bought 91.11-14 yen at midday, up from 90.88-98 yen in New York and 90.57-60 yen in Tokyo Monday. The euro was quoted at 1.4616-4621 dollars and 133.14-18 yen, against 1.4613-4623 dollars and 132.94-133.04 yen in New York and 1.4564-4567 dollars and 131.93-97 yen in Tokyo late Monday. 