行业比较周跟踪（20251213-20251219）：A股估值及行业中观景气跟踪周报-20251221

Valuation Summary - The overall valuation of A-shares as of December 19, 2025, shows the CSI All Share Index (excluding ST stocks) with a PE of 21.1 times and a PB of 1.8 times, positioned at the 77th and 39th historical percentiles respectively [2][5] - The Shanghai Composite Index has a PE of 11.7 times and a PB of 1.3 times, at the 61st and 40th historical percentiles [2][5] - The CSI 300 Index has a PE of 14 times and a PB of 1.5 times, at the 62nd and 34th historical percentiles [2][5] - The ChiNext Index has a PE of 39.9 times and a PB of 5.4 times, at the 32nd and 61st historical percentiles [2][5] Industry Valuation Comparison - Industries with PE valuations above the 85th historical percentile include Real Estate, Retail, and IT Services (Software Development) [2] - Industries with PB valuations above the 85th historical percentile include Electronics (Semiconductors) and Communications [2] - The Medical Services industry has both PE and PB valuations below the 15th historical percentile [2] Industry Economic Tracking New Energy - The photovoltaic industry chain prices remained stable, with battery cell spot prices rebounding by 8.1% [2] - The price of polysilicon futures increased by 6.4%, while the price of lithium carbonate rose by 7.4% [2] - Concerns about tightening lithium supply emerged due to local mining permit cancellations [2] Real Estate Chain - The average sales area of commercial housing in China from January to November 2025 decreased by 7.8% year-on-year, with a notable decline in real estate investment by 15.9% [3] - The price of rebar increased by 1.2%, while iron ore prices rose by 1.6% [3] Consumer Sector - The average price of live pigs increased by 0.9%, while the wholesale price of pork rose by 0.2% [3] - Retail sales from January to November 2025 grew by 4.0% year-on-year, showing a slight decline in growth rate compared to the previous ten months [3] Midstream Manufacturing - Manufacturing investment from January to November 2025 increased by 1.9% year-on-year, while infrastructure investment (excluding electricity) decreased by 1.1% [3] - Heavy truck sales in November 2025 surged by 65.4% year-on-year, with new energy heavy trucks seeing a significant increase in sales [3] Technology TMT - The production of integrated circuits and optoelectronic devices in China increased by 10.6% and 9.7% year-on-year respectively [3] Commodities - The price of Brent crude oil futures fell by 1.1% to $60.55 per barrel, amid rising supply pressures [3] - The price of thermal coal decreased by 5.6%, while coking coal prices rose by 0.5% [3]