Group 1 - The core viewpoint of the articles indicates that the USD/JPY exchange rate is experiencing fluctuations due to mixed signals from economic data and central bank policies, with the yen showing strength but lacking strong bullish momentum [1][2] - Tokyo's inflation data has accelerated, raising expectations for the Bank of Japan (BoJ) to tighten monetary policy, yet uncertainty remains regarding the timing of potential rate hikes due to anticipated fiscal stimulus measures from the government [1][2] - The recent easing of U.S.-China trade tensions has diminished demand for the yen as a safe-haven currency, while the Federal Reserve's hawkish stance continues to support the dollar [1] Group 2 - Technical analysis suggests that the USD/JPY exchange rate is stabilizing above the 153.30 level, which has turned into a support zone, indicating potential for short-term upward movement [3] - A breakthrough above the 154.80 area could lead to further gains towards the psychological level of 155.00, while a drop below 154.00 would focus attention on support levels between 153.25 and 153.00 [3]