Zheng Quan Shi Bao·2025-08-21 09:12Market Overview - A-shares experienced strong fluctuations on August 21, with the Shanghai Composite Index closing up 0.13% at 3771.1 points, while the Shenzhen Component Index fell 0.06% to 11919.76 points, and the ChiNext Index dropped 0.47% to 2595.47 points [1] - The total trading volume in the Shanghai and Shenzhen markets reached 246.08 billion yuan, showing a slight increase compared to the previous day [1] Sector Performance - The semiconductor sector saw declines, with Dongxin Co. dropping over 12% and several other companies falling more than 5% [1] - AI industry chain stocks collectively fell, with companies like Feilong Co., Tenglong Co., and Jintian Co. hitting the daily limit down [1][7] - Resource stocks, including oil, electricity, coal, and gas, experienced a rally, with companies like Zhun Oil Co. and Anyuan Coal Industry hitting the daily limit up [1] Notable Stocks - Domestic software stocks surged, with Beixin Source hitting the daily limit up at 20%, and ZTE Corporation also seeing significant gains [3] - Jishi Media (601929) exhibited a "地天板" performance, initially hitting the limit down before rebounding to close at the limit up, marking its eighth limit up in 14 trading days [10] AI Industry Insights - The daily average token consumption in China surged from 1 trillion at the beginning of 2024 to over 30 trillion by June, reflecting rapid growth in AI application scale [5] - The National Development and Reform Commission reported that by the end of 2024, software revenue is expected to grow by 80% compared to 2020, with significant advancements in digital transformation across industries [4]