科技板块调整，电子板块优选增强组合超额显著

• The report introduces two active quantitative strategies launched by the Changjiang Quantitative Team since July 2023: the "Dividend Selection Strategy" and the "High Winning Rate Industry Strategy" [3][10] - The "Dividend Selection Strategy" includes two products: "Central State-Owned Enterprises High Dividend 30 Portfolio" and "Balanced Growth Dividend 50 Portfolio" [11] - The "Industry Enhancement Series" focuses on the electronics sector and includes two products: "Electronics Balanced Allocation Enhancement Portfolio" and "Electronics Sector Preferred Enhancement Portfolio," with the latter targeting mature sub-sector leading companies [11] - The "Electronics Sector Preferred Enhancement Portfolio" achieved a weekly excess return of approximately 1.92% relative to the electronics industry index, ranking around the 28th percentile among technology-themed fund products [4][27] - The "Balanced Growth Dividend 50 Portfolio" has shown significant excess returns of approximately 4.27% relative to the CSI Dividend Total Return Index since the beginning of 2025, ranking around the 44th percentile among all dividend-themed fund products [18]