金融工程日报：市场低开高走，核心权重与科技主线共振上行-20250918

The provided content does not contain any specific quantitative models or factors, nor does it include their construction processes, formulas, evaluations, or backtesting results. The documents primarily focus on market performance, sector analysis, investor sentiment, capital flows, ETF premiums/discounts, block trades, and institutional activities. These are descriptive analyses and do not involve quantitative modeling or factor-based strategies.