Hua Er Jie Jian Wen·2025-08-21 02:13Market Overview - A-shares opened higher on August 21, with the three major indices initially rising before turning negative, while the Sci-Tech 50 index surged over 2% before retreating [1] - The Shanghai Composite Index rose by 0.16% to 3772.34, while the Shenzhen Component fell by 0.19% to 11903.60, and the ChiNext Index dropped by 0.78% to 2587.27 [1][7] - Hong Kong stocks collectively declined, with the Hang Seng Index down 0.01% to 25162.20 and the Hang Seng Tech Index down 0.41% to 5518.59 [2][3] Sector Performance - The stablecoin concept stocks were active at the market open, with notable gains in companies like Tianrongxin, which hit the daily limit, and several others opening high [10][11] - AI hardware stocks experienced a downturn, particularly in sectors like liquid cooling servers, CPO, and PCB, leading to a drop in over 3300 stocks across the Shanghai and Shenzhen markets [6] - In the commodity market, domestic futures showed mixed results, with industrial silicon rising over 3% and the shipping index falling nearly 3% [4][5] Bond Market - The bond market saw a rebound, with the 30-year main contract rising by 0.04% and the 10-year main contract slightly down by 0.01% [3][4] Notable Stocks - ZTE Corporation's A-shares surged, leading to a rapid increase in its H-shares by over 13% [10] - Cambrian Technology saw a significant rise of over 5%, reaching a new high during the trading session [8]