昨夜，全线上涨

Market Reaction - The market interpreted Federal Reserve Chairman Powell's speech as dovish, leading to significant increases in U.S. stocks and bonds, while the dollar fell [1][6]. - The three major U.S. stock indices closed higher, with the Dow Jones up 1.89% at 45,631.74 points, marking a new all-time high; the S&P 500 rose 1.52% to 6,466.91 points, ending a five-day decline; and the Nasdaq Composite increased by 1.88% to 21,496.53 points [1][6]. Federal Reserve Insights - Powell indicated that the current situation suggests a downside risk to employment growth, and the changing balance of risks may require policy adjustments. He hinted that the Fed remains open to the possibility of rate cuts in the coming months [5][11]. - Powell's remarks have opened the door for potential rate cuts at the next Fed meeting, as he acknowledged the challenges posed by the current economic environment [10][12]. Economic Ratings and Trade Relations - Fitch Ratings confirmed the U.S. rating at "AA+" with a stable outlook, citing the country's large economic scale and the dollar's status as a global reserve currency, but noted concerns over high fiscal deficits and rising government debt [3][14]. - Canada announced the cancellation of several retaliatory tariffs on U.S. goods, although tariffs on U.S. automobiles, steel, and aluminum will remain temporarily in place [18][19].