The U.S. dollar fell below 140 yen on Tuesday for the first time since September, after U.S. President Donald Trump criticized Federal Reserve Chair Jerome Powell for not reducing interest rates.The dollar also came under pressure amid speculation that the U.S. administration will urge Japan to address the yen's weakness against the dollar when the Japanese and U.S. finance chiefs meet as expected in Washington this week.Related coverage:Japan, U.S. agree to further tariff talks with eye on quick dealREAD FULL ARTICLE