Sou Hu Cai Jing·2026-01-09 07:19Group 1 - The high-tech industry is defined as sectors that operate at the forefront of scientific technology, utilizing advanced scientific knowledge and innovative technologies for research, production, and services [1] - The assessment of high-tech industries is based on four dimensions: technological field classification, innovation capability indicators, economic characteristics and policy orientation, and comparison of international and domestic standards [1] Group 2 - The data covers publicly listed companies from 1990 to 2024, indicating whether they belong to the high-tech industry across five different classification methods [2] - The dataset includes stock codes, years, stock names, industry codes, industry names, and multiple indicators to determine high-tech status [2][3]