行业比较周跟踪（20251129-20251205）：A股估值及行业中观景气跟踪周报-20251207

Valuation Summary - The overall valuation of A-shares as of December 5, 2025, shows the CSI All Share (excluding ST) with a PE of 21.1x and a PB of 1.8x, positioned at the 77th and 39th historical percentiles respectively [2][5] - The Shanghai 50 index has a PE of 11.9x and a PB of 1.3x, at the 63rd and 42nd percentiles [2][5] - The CSI 300 index has a PE of 14.0x and a PB of 1.5x, at the 62nd and 32nd percentiles [2][5] - The CSI 500 index shows a PE of 32.4x and a PB of 2.2x, at the 60th and 43rd percentiles [2][5] - The ChiNext index has a PE of 39.8x and a PB of 5.1x, at the 32nd and 57th percentiles [2][5] - The STAR 50 index has a PE of 149.6x and a PB of 5.9x, at the 95th and 62nd percentiles [2][5] Industry Valuation Comparison - Industries with PE valuations above the 85th percentile include Real Estate, Retail, Chemical Pharmaceuticals, and IT Services [2][3] - Industries with PB valuations above the 85th percentile include Electronics (Semiconductors) and Communications [2][3] - The Medical Services industry has both PE and PB valuations below the 15th percentile [2][3] Industry Tracking New Energy - The photovoltaic industry chain continues to show weakness, with upstream polysilicon futures prices down 1.6% and silicon material prices stable [2][3] - Battery materials like cobalt and nickel saw increases of 2.2% and 0.4% respectively, while lithium hexafluorophosphate prices rose by 3.0% [2][3] Real Estate Chain - The price of rebar increased by 1.8%, while iron ore prices fell by 0.3% [3] - The national cement price index decreased by 0.4%, and glass prices showed mixed trends with a 0.7% increase in spot prices [3] Consumer Sector - The average price of live pigs increased by 0.1%, while wholesale pork prices decreased by 0.8% [3] - The wholesale price index for liquor saw a slight decrease of 0.06% [3] Midstream Manufacturing - Excavator sales in November 2025 increased by 13.9% year-on-year, with domestic sales up by 9.1% and exports up by 18.8% [3] Technology TMT - China's semiconductor sales in October 2025 grew by 18.5% year-on-year, with global semiconductor sales increasing by 27.2% [3] Commodities - The Brent crude oil futures price rose by 1.1% to $63.86 per barrel, supported by OPEC+ decisions to maintain current production targets [3]