The A-share market traded in a low-range oscillation throughout the session on the 4th. At the close, the Shanghai Composite Index fell 0.64% to 4,057.78 points, the Shenzhen Component Index declined 0.27%, the ChiNext Index dropped 0.83%, while the STAR Composite Index bucked the trend, rising nearly 0.69%. The total market turnover was 2.78 trillion yuan, a decrease of 374 billion yuan from the previous trading day, with over 4,100 stocks declining.



Key Market Movers

Within the market, the semiconductor and chip industry chain strengthened once again, with industrial gases, memory chips, and advanced packaging leading the gains. The industry giant Zhongchuan Special Gas hit the daily 10% limit-up, continuing to set a new historical high and pushing its total market capitalization above 110 billion yuan. Weite Ou surged by the 20% daily limit, while Heyuan Gas, Li Ang Wei, Jingfang Technology and several other stocks also reached the limit-up.

The MLCC sector was active, with Zhenhua Technology jumping 20%. The PCB sector saw an uptick, with stocks like Yidong Electronics hitting the limit-up. The glass substrate concept continued its strong performance, with the 220-billion-yuan market cap leader Jingdong A experiencing a rare straight limit-up approaching the midday break. Dier Laser and Tiancheng Technology gained over 9%.



Areas of Weakness

On the downside, supermarket and department store stocks retreated, with Zhongbai Group and Central Market falling by the 10% daily limit. Baijiu and beer stocks trended lower, with Jinhui Liquor dropping more than 7%. The industrial metals sector weakened, with Aluminum Corporation of China declining over 9%. Sectors including oil, titanium dioxide, lithium batteries, and cosmetics were among the biggest decliners.



Hong Kong Market Overview

The main Hong Kong stock indices were all in negative territory, with both the Hang Seng Index and the Hang Seng Tech Index falling over 1% as of 15:00. Technology and internet stocks declined collectively, with Alibaba and Baidu down over 2%, Meituan, Tencent, and BYD Co., Ltd. falling more than 1%, and JD.com and Xiaomi declining over 0.5%.

Semiconductors led gains against the broader market trend, with GigaDevice rising over 8%, and Hua Hong Semiconductor and Tianyue Advanced gaining more than 3%. The chemicals sector showed robust performance, with the new listing Shougang Langze, dubbed the "world's first ESG stock," surging over 63% on its second trading day to HK$34.5 per share, representing a gain of more than 136% above its issue price.