The yen tumbled to hit a fresh 37-year low in the lower 161 range against the U.S. dollar Friday in Tokyo, with warnings from Japanese officials over a possible yen-buying intervention having limited impact on the market.The Japanese currency's weakness comes ahead of key U.S. inflation data to be released later in the day amid speculation that the Federal Reserve may keep interest rates elevated for longer than expected on the back of recent solid economic data.The yen also sank in the 172 range against the euro, its lowest level since the European currency was introduced in 1999.At 5 p.m.…READ FULL ARTICLE