美联储降息预期升温，美元在PCE物价指数之前维持低位震荡

Group 1 - The US dollar is expected to decline by approximately 2% against major currencies in August due to market expectations of a Federal Reserve rate cut next month, with the dollar index currently at 97.917 and a year-to-date decline of nearly 10% [1] - President Trump has increased his influence over the Federal Reserve, including attempts to remove Fed Governor Lisa Cook, who has filed a lawsuit claiming the president lacks the authority to dismiss her, raising concerns about the Fed's policy independence [1][3] - The yield on short-term US Treasury bonds is being suppressed by rate cut expectations, while long-term yields are rising due to inflation concerns and policy risks, resulting in a steepening of the yield curve with a 57 basis point spread between 2-year and 10-year bonds, the steepest since April [3] Group 2 - Market participants are adopting a pragmatic approach regarding the risks to the Fed's independence, choosing to remain cautious in the short term [3] - The probability of a 25 basis point rate cut in September has risen to 86%, up from 63% a month ago, with investors betting on cumulative cuts exceeding 100 basis points by mid-2025 [3] - The upcoming PCE price index is expected to show a year-on-year increase of 2.6%, with a reading above 3% potentially intensifying doubts about a shift in Fed policy [4]