11月CPI同比涨幅扩大，食品价格是主因

Group 1: Consumer Price Index (CPI) Trends - In November, the Consumer Price Index (CPI) increased by 0.7% year-on-year, with the growth rate expanding by 0.5 percentage points compared to the previous month, marking the highest increase since March 2024 [2] - The rise in CPI was primarily driven by food prices, which shifted from a decline to an increase, particularly fresh vegetable prices, which rose by 14.5% after a previous decline of 7.3% [2][3] - Core CPI, excluding food and energy, rose by 1.2% year-on-year, maintaining a growth rate above 1% for three consecutive months [4] Group 2: Producer Price Index (PPI) Trends - The Producer Price Index (PPI) decreased by 2.2% year-on-year in November, with the decline rate expanding by 0.1 percentage points compared to the previous month, ending a trend of narrowing declines [5] - The narrowing of price declines in certain industries, such as coal mining and washing, photovoltaic equipment manufacturing, and lithium-ion battery manufacturing, indicates the effectiveness of policies addressing "involution" competition [5][6] - Emerging industries are driving price increases in related sectors, with prices for external storage devices and components rising by 13.9% year-on-year [6]