Cambricon(SH:688256) Jin Rong Jie·2025-09-05 07:45Core Viewpoint - The adjustment of index samples, such as the Sci-Tech Innovation 50 Index, is a crucial mechanism in index investment operations, ensuring systematic and periodic updates to include high-quality companies [1][2] Group 1: Index Adjustment Mechanism - The Sci-Tech Innovation 50 Index undergoes quarterly adjustments based on objective data, with a maximum adjustment limit of 10% for the number of constituent stocks [1] - Individual stock weight limits are set to prevent excessive reliance on a few stocks, with a cap of 10% for individual stocks in the Sci-Tech Innovation 50 Index [1] - The transparent rules for index sample adjustments allow for the continuous inclusion of quality enterprises that meet the standards [1] Group 2: Impact on Stocks and Funds - During index adjustments, funds are rebalanced among constituent stocks, leading to inflows for stocks that are added or have increased weight, while those that are removed or have decreased weight face outflows [2] - Historical data shows that the inclusion of Cambrian in major A-share indices did not significantly impact its stock price due to the passive nature of index funds [2] - Recent fluctuations in Cambrian's stock price have not been linked to active trading by related index ETFs, indicating that the price volatility is not driven by these funds [2]