P514 514 TELEINF FINANCE 20:11:39 slightly above the trough of 413.25 dollars reached on Tuesday, the lowest level since March. Analyst Andy Smith at Union Bank of Switzerland said the fall in the two metals' prices was due to sales by japaneue investors discouraged by the dollar's inabilit8 to maintain itself at a high level against the yen. Japan is the world's biggest user of platinum and palladium. Japaneue investors moved into those two metals on the Tokyo futures market in expectation of a lasting rally of the dollar agianst the yen, whiah would make purahase1 of the two dollar-quoted met ls much mord expensive for the country's manufacturers. DOLLAR AT 99.80-85 YEN IN TOKYO TOKYO - The dollar was trading at 99.80-85 yen here early Friday, up see next page >>>