TOKYO AP The U.S. dollar was trading at 121.84 yen on the Tokyo foreign exchange market at 9 a.m. 0000 GMT Wednesday down 0.94 yen from its level of 122.78 yen as of 5 p.m. 0800 GMT Tuesday. APW19981201.0804.txt.body.html APW19981201.1100.txt.body.html