行业比较周跟踪：A股估值及行业中观景气跟踪周报-20260104

Valuation Summary - The overall valuation of the A-share market as of December 31, 2025, shows the CSI All Share (excluding ST stocks) with a PE of 21.6x and a PB of 1.8x, positioned at the 81st and 42nd historical percentiles respectively [2] - The Shanghai Stock Exchange 50 Index has a PE of 11.8x and a PB of 1.3x, at the 63rd and 43rd historical percentiles [2] - The CSI 300 Index has a PE of 14.2x and a PB of 1.5x, at the 65th and 39th historical percentiles [2] - The CSI 500 Index shows a PE of 33.8x and a PB of 2.3x, at the 64th and 51st historical percentiles [2] - The ChiNext Index has a PE of 40.8x and a PB of 5.5x, at the 35th and 63rd historical percentiles [2] Industry Valuation Comparison - Industries with PE valuations above the 85th historical percentile include Real Estate, Retail, and IT Services [2] - Industries with PB valuations above the 85th historical percentile include Electronics (Semiconductors) and Communications [2] - Industries with both PE and PB valuations below the 15th historical percentile include Medical Services and White Goods [2] Industry Sentiment Tracking New Energy - In the photovoltaic sector, the average price of silicon wafers increased by 10.8%, while battery cell prices rose by 11.8% [2] - The price of cobalt increased by 6.8% and nickel by 5.5%, while lithium carbonate prices rose by 0.9% [2] Technology TMT - The Philadelphia Semiconductor Index rose by 2.2%, and the Taiwan Semiconductor Index increased by 5.1% [3] - The DXI Index (DRAM output value) increased by 7.2%, driven by strong demand for high-performance products related to AI computing [3] Real Estate Chain - The price of rebar increased by 0.1%, while iron ore prices rose by 1.5% [3] - The national cement price index decreased by 0.3% [3] Consumption - The average price of live pigs increased by 10.4%, while wholesale pork prices rose by 1.4% [3] - The price of Moutai liquor decreased by 3.5% to 1505 CNY [3] Cyclical Industries - The price of copper increased by 2.7%, while aluminum rose by 2.2% [3] - Brent crude oil futures closed at 60.8 USD per barrel, down 2.4% [3]