元旦周重磅日程：美联储主席或揭晓，巴菲特退休，“港股GPU第一股”挂牌

Core Viewpoint - The article highlights significant upcoming events and economic indicators, including the release of manufacturing PMI data for China and the US, changes in trading regulations for silver and gold futures, and notable corporate developments such as the leadership transition at Berkshire Hathaway and the IPOs of several companies in Hong Kong [4][6][12][16][17]. Economic Indicators - China's official manufacturing PMI for December is expected to be released on December 31, with a previous reading of 49.2 indicating contraction. Analysts anticipate a slight recovery due to policy support, focusing on new order indices and performance across different enterprise sizes [6]. - The US will release the S&P Global Manufacturing PMI for December on January 2, along with data on initial jobless claims for the week ending December 27 [7]. Corporate Events - Warren Buffett officially steps down as CEO of Berkshire Hathaway, with Greg Abel taking over the role starting January 1, 2026 [12]. - Wall Street anticipates the announcement of a new Federal Reserve chair by President Trump in the first week of January [10]. - Wall Street and various global markets will observe a holiday break from January 1 to January 4, 2026 [13][14]. Price Adjustments in Industries - A price increase trend is noted in the paper and chemical industries, with companies like Jilin Chemical Fiber and Hunan Youneng announcing significant price hikes for their products starting January 1, 2026 [25][26][27][28][29][30][31]. Regulatory Changes - The National Investment Silver LOF has tightened its subscription limits, reducing the A-class investment cap back to 100 yuan and suspending C-class subscriptions effective December 29 [18][19]. - The Shanghai Futures Exchange has adjusted the price fluctuation limits for gold and silver futures to 15% and modified margin requirements effective December 30 [20]. Legislative Developments - The "Fujian Province Promotion of Cross-Strait Standard Commonality Regulations" will take effect on January 1, 2026, marking a significant legislative move aimed at enhancing standards between the two regions [32].