The Zhitong Finance App learned that on July 31, the overnight sharp rise in US semiconductors and the violent rebound in the Japanese and South Korean markets formed a strong signal. The three major A-share indices collectively opened higher, and the increase narrowed towards midday trading after the shock rose in early trading. By the midday close, the Shanghai Composite Index reported 3833.65 points, up 0.76%; the Shenzhen Securities Index reported 13705.42 points, up 3.16%; the GEM Index reported 3408.15 points, up 5.04%; and the Science and Technology Innovation 50 Index reported 1682.27 points, up 5.91%.
The entire market rose 4,517 individual stocks, fell 903, and closed 131, of which 80 were up and down, and 0 were down. The half-day turnover was about 1.80 trillion yuan, an increase of about 340 billion yuan compared to the previous trading day (1.46 trillion yuan). The net inflow of the main capital into the electronics, semiconductor, communications and other sectors, and the net outflow from the banking, food and beverage, and non-bank finance sectors; of these, the net inflow of the main capital from the electronics sector exceeded 31.1 billion yuan. The main capital's net purchases were Dongshan Precision ($3.40 billion), Zhongji Xuchuang, and Xinyisheng. The top net sales were Ningde Era (over 900 million), Kweichow Moutai, and Changjiang Electric Power. The median net inflow of major capital in the entire market was about RMB 12.6 million.
Overview of the plate
On the market, the technology sector rebounded across the board. Overnight, the Philadelphia Semiconductor Index surged more than 8%, and South Korea's KOSPI Index surged more than 16% during the day, which is strongly transmitted. On the upward side, memory chips led the entire market by a large margin; the CPO concept surged by more than 17%, Unicom Instruments rose more than 15%, Xinyi Shengsheng rose more than 13%, Tianfu Communications rose more than 12%, Zhongji Xuchuang rose more than 10%; the AI application side multi-stock market rose by 20cm, Kunlun Wanwei, Chinese online, blue light, and Easyworld closed; the computing power leasing concept expanded, and Litong electronic auctions rose and stopped, and Hongtech Technology rose 20cm Halted, Meiliyun, Yunsai Zhilian, etc. blocked the rise and stopped; the semiconductor equipment sector continued to strengthen. Many stocks such as Pioneer Precision Technology, Zhongke Flying Test, and Tuojing Technology rose more than 10%.
On the downside, the banking sector bucked the trend. The Agricultural Bank fell 4.36%, the Bank of China and the Bank of Communications fell more than 3.5%, the Industrial and Commercial Bank fell 3.56%, and the China Construction Bank fell 3.19%; the coal sector fell 1.01%, and the petroleum and petrochemical sector fell 0.87%. Overall, the general upward pattern dominated by technology stocks is clear. After rising in early trading, the increase narrowed. Some of the early trading words rose and closed in the intraday market (MegaYi Innovation, Demingli), and capital was somewhat divided before noon trading, but the overall market volume was significantly larger than yesterday.
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Memory chips: Megayi Innovation, Demingli's bid, and the market is divided between ups and downs
The memory chip sector opened sharply higher in early trading, with Zhaoyi Innovation, Demingli, and Taiji Industrial bids rising and stopping; in the intraday, Zhaoyi Innovation and Demingli frying boards fell; Pran shares rose more than 10%, and many stocks such as Beijing Junzheng, Baiwei Storage, Jiang Bolong, and Dapuwei rose sharply. Changxin Technology rose more than 13% in the intraday period, and its total market value once exceeded 4 trillion yuan. As of midday trading, it had risen more than 8%. On the side of the consecutive board, Chuanzhi Education went up and down out of 5 consecutive boards.
Comment: Overnight, the US stock Philadelphia semiconductor index surged more than 8%, and Microsoft surged more than 15% to the biggest one-day increase since 2008. In the Asia-Pacific market, Korea's KOSPI index surged more than 16% during the day, setting the record for the biggest one-day intraday increase in history. SK Hynix rose more than 27% and Samsung Electronics rose more than 24%, both triggering the temporary suspension mechanism of the Korea Exchange. Previously, Samsung Electronics retraced more than 42% from a high point, and SK Hynix retraced by more than 54%. The extreme decline compounded the continuous verification of demand in the AI industry, and jointly promoted this round of strong rebound.
The CPO concept collectively surged, and many stocks rose more than 10%
The CPO concept collectively surged. Robocom rose more than 17%, Unicom Instruments rose more than 15%, Taichenguang rose more than 13%, Xinyisheng rose more than 13%, Tianfu Communications rose more than 12%, Zhongji Xuchuang rose more than 10%; Cree Technology, Quick Intelligence, and Taijing Technology rose and stopped.
Comment: Overnight, Amazon announced financial results. CEO Andy Jasi said that the company's capital expenditure is expected to reach 220 billion US dollars this year. Previously, the company maintained a forecast of 200 billion US dollars in February and April. The increase in capital expenditure has strengthened expectations that demand for AI computing power infrastructure will continue to grow, directly benefiting the optical communications industry chain. Microsoft's earnings report surpassed expectations while reshaping the market's confidence in the return on AI investment, and the US stock AI computing power chain picked up across the board.
AI application: multi-stock 20cm rise and stop
The AI application market picked up again. Kunlun Wanwei, Chinese Online, Blue Cursor, Easypoint World, and Rongxin Culture rose and stopped by 20cm, and more than 30 stocks including Wanxing Technology and Dingjie Digital Intelligence rose more than 10%. The advertising and marketing sector also strengthened. The Blue Cursor, Leo shares rose and stopped, and the Shengguang Group followed suit.
Comment: According to the news, Kimi AI released the Kimi K3 model weight and open source key Infra technology. Dark Side of the Moon has sent a listing proposal to investors, and the Hong Kong stock listing is expected to be completed within 6 months as soon as possible. Today (31st), OpenAI announced a sharp price reduction for the GPT-5.6 series model. Among them, Luna dropped 80%, further reducing the cost of implementing AI applications. In addition, six departments including the General Administration of Market Regulation issued “Opinions on Vigorously Promoting the High-Quality Development of the Advertising Industry in the New Era” in May, which clearly promotes the deep integration of AI and the advertising industry and supports overseas marketing for domestic brands. The advertising and marketing sector combined the peak summer brand launch season to ushered in multiple benefits.
Computing power leasing: gains expand, multiple stocks shut down
The intraday rise in the computing power leasing concept expanded. Litong e-bidding rose and stopped, Hongjing Technology rose and stopped by 20cm, Meiliyun and Yunsai Zhilong rose and stopped, Co-Innovation Data rose by more than 16%, and Dongyang, Uber, and Netsu Technology all rose sharply.
Comment: According to the news, Beijing is speeding up the construction of a new smart economy. It is about to formulate a token economic development policy, lay out and build a “token factory” and distribution platform around key aspects such as token production, distribution, and application, and strive to increase the total computing power of the city to exceed 130,000 P within the year. Furthermore, nine departments including the People's Bank of China jointly issued the “Notice on Strengthening the Development and Utilization of Data in the Field of Technology Finance”, which proposes to launch a pilot innovation and development project for trusted data space in technology finance to achieve cross-domain sharing and efficient connection of data resources in the field of technology finance.