整理：4月30日欧盘美盘重要新闻汇总

Domestic News - The manufacturing Purchasing Managers' Index (PMI) for April is reported at 49.0%, a decrease of 1.5 percentage points from the previous month, indicating a decline in manufacturing activity [3] - The new Private Economy Promotion Law will come into effect on May 20, aiming to support the development of the private sector [4] - The total holdings of gold ETFs in the Chinese market have reached a historical high, as reported by the World Gold Council [6] - The People's Bank of China conducted a 12 billion yuan reverse repurchase operation using a fixed quantity and interest rate bidding method [11] International News - Traders are fully pricing in four rate cuts of 25 basis points by the Federal Reserve by the end of 2025 [1] - Global gold demand in Q1 reached the highest level for a first quarter since 2016, according to the World Gold Council [2] - The U.S. economy has contracted, with a reported GDP decline of 0.3% in the first quarter, marking the first economic shrinkage since 2022 [6]