金融工程日报：沪指迎8连阳突破前高，成交额破2万亿-20250813

The provided content does not include any specific quantitative models or factors, nor does it detail their construction, evaluation, or backtesting results. The documents primarily focus on market performance, sector analysis, investor sentiment, ETF premiums/discounts, block trading, and institutional activity. These are descriptive analyses and do not involve the development or testing of quantitative models or factors.