On June 25, 2026, the three primary A-share indices opened on a mixed note. The Shanghai Composite Index dipped by 0.18%, starting the day at 4,103.48 points. In contrast, the Shenzhen Component Index showed resilience, opening 0.30% higher at 16,099.76 points, while the ChiNext Index outperformed both, opening with a 0.63% gain at 4,278.34 points.

The semiconductor sector was the standout performer, with memory chips, components, and fiber optic concept stocks leading the charge. Taiji Industry soared to the daily limit, showcasing its market strength. HuiCheng shares also experienced a significant surge, jumping over 10%. Memory chip companies such as Yoke Technology, Jiangbo Long, and GigaDevice followed suit, riding the wave of optimism in the sector.

On the flip side, precious metals, biotechnology, and energy sectors faced headwinds. Zijin Mining, a prominent player in the precious metals space, saw its shares fall over 4%. Northland Pharmaceutical, a key name in biotechnology, experienced a decline of over 3%. Meanwhile, CNOOC, a major energy company, witnessed its shares drop over 2%, reflecting the broader challenges faced by these sectors.