中概股多数上涨！穆迪下调美国主权信用评级

Market Performance - US and European stock markets collectively rose on May 16, with the S&P 500 index increasing for five consecutive trading days and the German DAX index reaching a record closing high [1][4] - The Dow Jones Industrial Average, Nasdaq, and S&P 500 rose by 0.78%, 0.52%, and 0.70% respectively, with closing values of 42654.74, 19211.10, and 5958.38 [5][4] - Major US tech stocks mostly increased, with Tesla leading the gains at over 2% [6][4] Chinese Concept Stocks - Most Chinese concept stocks saw an increase, with the Nasdaq Golden Dragon China Index rising by 0.52% [8][7] - Notable performers included Niu Technologies, which surged nearly 12%, and other stocks like Bilibili and Zai Lab, which rose over 6% [8][7] Commodity Prices - International gold prices fell, with London spot gold and COMEX gold futures down by 1.16% and 0.66%, closing at $3201.78 and $3205.30 per ounce respectively [10][11] - Conversely, oil prices increased, with WTI and Brent crude futures rising by 1.28% and 1.24% [10][11] Credit Rating Update - Moody's downgraded the US sovereign credit rating from Aaa to Aa1, citing increased government debt and interest payment ratios, while changing the outlook from "negative" to "stable" [12][13]