刚刚！集体暴涨，美国突传重磅消息！

Group 1 - The article highlights signs of improving liquidity in the market, with significant gains in the metals sector, including gold rising over 1% and silver over 2.3% [2][5] - A rebound in major stock indices was observed, with the Shanghai Composite Index up 0.25%, the Shenzhen Component up 0.8%, and the ChiNext Index up 0.85% [2] - The U.S. market also showed positive signals, with the leveraged loan index rising for two consecutive days and a notable increase in the overnight reverse repo scale by nearly $2 billion [3][5] Group 2 - The Federal Reserve's total assets expanded to $6.6289 trillion, an increase of $15 billion from the previous day, indicating a potential improvement in dollar liquidity [3] - Despite a gradual decline in the dollar's reserve share (approximately 57%), it remains the primary source of liquidity during crises, with recent geopolitical tensions in the Middle East reinforcing its safe-haven status [7] - International oil prices experienced a significant pullback after a recent surge, with WTI crude oil dropping nearly 3% [8]