In Tokyo foreign exchange trading on the 15th, the yen stood at 154.41-41 to the dollar as of 9 a.m., a ¥0.02 weakening of the yen against the dollar from the previous day. The article briefly reports the level at this date and time.
In Tokyo foreign exchange trading on the 15th, the USD/JPY rate was reported at 154.41-41 as of 9 a.m. The yen weakened by ¥0.02 against the dollar from the previous day's level of 154.39-40.
The move at this stage was reported in the context of monitoring trading during the day, and the article does not detail any specific factors or causes. It can be viewed as part of the general fluctuations in the foreign exchange market.