创业板ETF天弘（159977）下周一份额“一拆二”，机构建议下半年继续关注AI上游等主线

Group 1 - The three major indices opened mixed on September 12, with the ChiNext index rising by 0.03% [1] - The Tianhong ChiNext ETF (159977) increased by 0.09%, with a trading volume exceeding 56 million yuan, while individual stocks like Yihualu surged over 14% [1] - The securities sector experienced a slight pullback, with the Securities ETF (159841) declining by 0.26% and a trading volume exceeding 100 million yuan [1] Group 2 - The Securities ETF (159841) tracks large-cap securities leaders in A-shares, achieving record high liquidity and share volume as of September 11 [2] - The ETF share split is expected to lower the investment threshold, enhance liquidity, and attract more investors by reducing the unit price [2] - The outlook for A-share profitability in the second half of the year suggests continued marginal recovery with structural differentiation, particularly in the technology sector [2]