The U.S. dollar briefly rose to a seven-and-a-half-month high of 145.07 yen in Tokyo on Friday, but wariness about a possible yen-buying intervention by Japanese authorities left investors reluctant to chase higher ground.The U.S. dollar rose to its highest level since November after stronger-than-expected U.S. economic data fueled speculation about prolonged interest rate hikes by the Federal Reserve, but it soon retreated to the upper 144 yen range.After the U.S. currency hit the psychological threshold in the morning, Japanese Finance Minister Shunichi Suzuki warned that Japan stands rea…READ FULL ARTICLE