美元下跌，投资者对伊朗消息和美联储决议作出反应

Core Viewpoint - The US dollar has weakened following President Trump's increased pressure on Iran and investors' anticipation of the Federal Reserve's policy decision [1] Group 1: US Dollar Performance - The DXY dollar index fell by 0.4% to 96.191 [1] Group 2: Federal Reserve and Economic Policy - Jerome Powell, the Federal Reserve Chairman, stated that currency issues are "entirely within the jurisdiction of the US Treasury" amid the dollar's recent weakness [1] - Concerns remain regarding the independence of the Federal Reserve and the unpredictability of policies under Trump's administration [1]