20cm速递| 创业板50ETF国泰（159375）涨超2%，政策利好与盈利改善预期提振科技板块

Group 1 - The core viewpoint is that the profitability growth and scale of the ChiNext board are expected to significantly improve in the fourth quarter, providing support for the fundamentals [1] - The profitability growth rate for the ChiNext board in the second half of the year is projected to be 54.3%, a notable increase from 16.3% in the first half, with an anticipated annual growth rate of 30.5% for 2025 [1] - The profitability scale for the ChiNext board in the third quarter is expected to rank third in the past six years, and despite the low base effect in the fourth quarter, it is still expected to maintain a historically high level [1] Group 2 - The current valuation percentile of the ChiNext index is only 13%, which is at a historical low, showing a significant divergence from the improving fundamentals [1] - Growth sectors within the ChiNext board, such as AI and robotics, are increasingly correlated with the ChiNext's performance, and these sectors are expected to show resilience alongside the profitability recovery driven by factors like AI technology iteration and geopolitical events [1] - The Guotai ChiNext 50 ETF tracks the ChiNext 50 index, which is composed of the top 200 stocks from the ChiNext market based on liquidity and market capitalization, reflecting the performance of high-quality companies with significant growth potential and innovation characteristics [1]