A-share closing review | Broad-based surge with increased volume, the Sci-tech Innovation 50 index rises by 4.14%, semiconductor storage surges.

On August 17, the three major indices of the A-shares opened high and continued to rise, with afternoon gains expanding and a significant increase in trading volume across the board. By the close, the Shanghai Composite Index was up 1.41% at 3982.65 points, the Shenzhen Component Index rose 2.44% to 14704.27 points, the ChiNext Index climbed 3.14% to 3740.16 points, and the STAR 50 Index increased 4.14% to 1788.85 points, leading the major indices. The BSE 50 Index was up 1.91% at 1108.28 points. The total trading volume on the Shanghai and Shenzhen exchanges was 238.74 billion yuan, an increase of about 24.46 billion yuan compared to the previous trading day. In the market, 4,335 stocks rose, 1,064 stocks fell, 110 stocks hit the daily limit up, and only 1 stock hit the daily limit down, resulting in a profit ratio of about 78%. In terms of sectors, electronic chemicals, semiconductors, communication equipment, other electronics, agriculture, and rubber saw the highest gains; while sectors like liquor, gaming, film and television, coal, and media experienced the largest declines. Driving Factors 1. The three major indices opened high and continued to rise, with the STAR 50 up 4.14%, the ChiNext Index up 3.14%, and the Shanghai Composite Index up 1.41% crossing 3980 points, with all major indices closing in the green. 2. The trading volume on the Shanghai and Shenzhen exchanges totaled 238.74 billion yuan, an increase of about 24.46 billion yuan from the previous trading day, with over 4,300 stocks rising, 110 stocks hitting the daily limit up, and only 1 stock hitting the daily limit down, demonstrating a rare broad-based rally. 3. SK Hynix Chairman Choi Tai-won stated that next year will see the most severe "memory shortage," coupled with long-term financial goals presented by investors at the SanDisk investor day that far exceeded expectations, reinforcing the re-evaluation logic of memory chips, leading to an all-round explosive growth of the semiconductor industry chain. 4. The direction of computing hardware continues to rise, with sectors like communication equipment, electronic chemicals, and components among the top gainers. CPO, PCB, and optical modules all strengthened collectively. 5. JPMorgan warned that the next global food crisis could break out next year, making the agricultural planting sector active; spot gold in London rose above 4,400 US dollars per ounce, boosting the precious metals sector. Popular Sectors 1. [Semiconductors/Memory Chips] The semiconductor sector rose 5.46%, with CXMT Corporation up 12% at 61.80 yuan, total market capitalization returning to 4 trillion yuan and hitting a new high during the session. China Micro Semicon (Shenzhen) rose 16.81%, Puya Semiconductor (Shanghai) Co., Ltd. increased over 12%, and stocks like TongFu Microelectronics, Grinm Advanced Materials, Ingenic Semiconductor, Zbit Semiconductor, Inc., and Shenzhen Techwinsemi Technology all hit the daily limit up, while JCET Group Co., Ltd. rose over 9%. On the news front, SK Hynix Chairman stated that next year will see the most serious "memory shortage," with the CMSC indicating that the supply-demand gap in the memory industry will last until 2027, leading domestic module companies into a period of profit expansion. 2. [Computing Hardware/CPO/PCB] The communication equipment sector rose 4.77%, and electronic chemicals rose 5.61%. T&S Communications, Camelot Electronics Technology, and Jones Tech Plc hit the daily limit up, while Zhejiang Wazam New Materials and Shenzhen Gongjin Electronics also hit the daily limit up. On the news front, the 2026 Green Computing (Artificial Intelligence) Conference will be held on August 22 in Hohhot, where a batch of hundred billion-level projects will be signed, raising expectations for computing infrastructure. 3. [Agriculture/Planting] The planting sector rose 4.16%, with Jinjian Cereals Industry, China Agriculture Development Seed Group, and Hainan Jingliang Holdings hitting the daily limit up; Hainan Shennong Seed Industry Technology and QIULE SEEDS rose over 10%. On the news front, JPMorgan warned that the next global food crisis could break out next year, with disruptions in shipping through the Strait of Hormuz and expectations of an extraordinarily strong El Nio pushing up food price expectations. Adjusting Sectors The liquor sector led the decline against the trend, with liquor II down 3.18%, Kweichow Moutai falling 3.64% to 1293.09 yuan, dipping below 1300 yuan. Anhui Yingjiagongjiu and Anhui Gujing Distillery fell over 4%, and Shanxi Xinghuacun Fen Wine Factory was down 3.71%. In the news, Kweichow Moutai reported revenue of 90.703 billion yuan for the first half of 2026, an increase of 1.47% year-on-year, while net profit attributable to shareholders was 44.517 billion yuan, a year-on-year decline of 1.95%, marking a rare case of "increased revenue without increasing profit" since its listing. Sectors like film and television, gaming, and others that previously surged also saw substantial declines, with Beijing Jingxi Culture & Tourism hitting the daily limit down.