Semiconductors▲
A-shares rebound on heavy volume: PCB and AI application sectors trigger wave of limit-up surges; N Changxin soars over 465% on debut
On July 27, A-shares fluctuated and climbed higher. The Shanghai Composite Index closed up 1.15%, the Shenzhen Component Index rose 2.72%, and the ChiNext Index gained 3.16%. Total turnover across Shanghai, Shenzhen, and Beijing exchanges reached 2.0887 trillion yuan for the day, an increase of 144.2 billion yuan from the previous session. In the afternoon, the PCB sector saw widespread limit-up moves. International Composites and Juzi Technology both hit the 20% daily limit in late trading. Dongshan Precision experienced sharp intraday swings and ended up 6.39%. Redboard Technology plans to invest no more than 5 billion yuan to build a high-end mSAP precision circuit board project. The AI application sector continued to strengthen, with Zhidu Shares and Suzhou Keda hitting limit up. On the news front, the Ministry of Industry and Information Technology said that in the first half of the year, the AI technology application penetration rate among industrial enterprises above designated size exceeded 30%, and OpenAI released its AI agent operating platform Presence. Two new stocks delivered eye-catching performances. N Changxin, debuting on the STAR Market, closed up 465.82%, with a total market value of 3.28 trillion yuan, ranking first in the A-share market. N Weiji, listed on the Beijing Stock Exchange, surged over 800% intraday before closing up 599.50%.