新高，大涨超800点

Market Overview - US stock indices closed higher, with the Dow Jones Industrial Average (DJIA) reaching a record high of 45,631.74 points, up 846.24 points or 1.89% [3] - The S&P 500 index rose by 1.52% to 6,466.91 points, while the Nasdaq increased by 1.88% to 21,496.53 points [3] - For the week, the DJIA gained 1.53%, the S&P 500 rose 0.27%, and the Nasdaq fell by 0.58% [3] Federal Reserve Insights - Federal Reserve Chairman Jerome Powell indicated a shift in risk balance, suggesting a potential need to adjust policy stance due to rising downside risks to employment [5] - Market expectations for a 25 basis point rate cut in September have surged to approximately 91% following Powell's remarks [5] - Fed officials expressed mixed views on economic data, with concerns about inflation and employment trends [5] Technology Sector Performance - Major tech stocks experienced significant gains, with Tesla rising over 6%, Google up more than 3%, and Amazon increasing by over 3% [7] - Other notable tech stocks included Facebook (up over 2%), Nvidia (up over 1%), and Apple (up over 1%) [7] Commodity Market - Oil prices saw a slight increase, with WTI crude oil rising by 0.2% to $63.66 per barrel and Brent crude oil up by 0.1% to $67.73 per barrel [9] - The Philadelphia Gold and Silver Index reached a new historical high, closing up 1.81% at 239.23 points, marking a weekly increase of 3.37% [9] Chinese Stocks Performance - Chinese stocks listed in the US saw widespread gains, with the Nasdaq Golden Dragon China Index rising by 2.73% and the Wind Chinese Technology Leaders Index up by 2.63% [12] - Notable performers included Miniso (up over 20%), SMIC (up over 19%), and NIO (up over 14%) [12]