广发宏观：高频数据下的12月经济：价格篇

Group 1: Economic Indicators - The Business Price Index (BPI) recorded 899 points in the fourth week of December, reflecting a 2.4% increase compared to the end of November[3] - The highest BPI index for the year was 907 points on March 16, while the lowest was 849 points on June 11[3] - The energy index decreased by 4.2% month-on-month, while the non-ferrous index increased by 11.4% month-on-month[4] Group 2: Commodity Prices - Silver prices surged by 9.76%, nickel by 7.05%, and copper by 4.31% in the fourth week of December[4] - The South China Comprehensive Index rose by 3.1% month-on-month, with a year-on-year average increase of 3.0%[5] - The photovoltaic industry composite index (SPI) increased by 6.0% month-on-month, with lithium carbonate futures rising by 26.2%[6] Group 3: Real Estate and Logistics - The second-hand housing price index in major cities (Beijing, Shanghai, Guangzhou, Shenzhen) decreased by 1.0% to 1.9% month-on-month[5] - The Baltic Dry Index (BDI) fell by 26.7% month-on-month, while the road logistics price index decreased by 1.3%[7] - The average wholesale price of pork dropped by 1.4%, while key vegetable prices fell by 2.8%[7] Group 4: Price Trends - The ICPI index (based on online data) reached 100.41, indicating a month-on-month increase of 0.42%[7] - The DXI index (representing the DRAM memory industry) rose by 21.1%, reaching a historical high[6]