Group 1 - The Shanghai Stock Exchange's Selected Sci-Tech Board Value 50 Strategy Index (Value 50) opened at 1325.19 points, showing a decline of 0.10% over the past month, 5.94% over the past three months, and 1.12% year-to-date [1] - The Value 50 Index selects 50 listed companies from the Sci-Tech Board with lower operational risks and valuation levels, reflecting the overall performance of companies with certain value characteristics [1] - The top ten holdings of the Value 50 Index include companies such as SMIC (6.29%), Haiguang Information (4.02%), and Cambrian (3.47%) [1] Group 2 - The industry composition of the Value 50 Index shows that Information Technology accounts for 41.47%, Industrial for 35.03%, and Healthcare for 12.22% [2] - The index samples are adjusted quarterly, with adjustments occurring in March, June, September, and December on the next trading day after the second Friday [2] - In special circumstances, the index may undergo temporary adjustments, such as when a sample company is delisted or undergoes mergers and acquisitions [2]