Midday review: The Shenzhen Component Index and the ChiNext Index both fell by more than 2%, while the power grid equipment sector showed strength against the trend.

The three major indexes collectively adjusted, with the Shenzhen Component Index and the ChiNext Index both falling by more than 2%. In terms of sectors, oil and gas stocks were strong in early trading, with Kelowna Energy and Potential Energy both rising by over 15%, and Tongyuan Petroleum rising by over 10%; coal stocks were active, with Shanxi Coal International, China Shenhua, and China Coal Energy among others rising; the power grid equipment sector continued to rise during the session, with State Power South Grid and Sanbian Technology hitting the limit up, both reaching historical highs; the precious metals sector turned up, with Sichuan Gold leading the way; on the downside, the CPO sector collectively adjusted, with Jiayuan Technology and Yitian Stock falling by over 10%; the semiconductor sector saw a widespread decline, with Shengke Communication and Yuanjie Technology leading the decline; the humanoid robot sector experienced a volatile adjustment, with Huapei Power and Keri Technology hitting the limit down. Overall, individual stocks showed a general decline, with over 4,500 declining stocks. As of the close, the Shanghai Composite Index reported 4077.68 points, down 1.13%; the Shenzhen Component Index reported 13868.86 points, down 2.14%; and the ChiNext Index reported 3151.05 points, down 2.42%. On the market, the oil and gas exploration and services, coal mining and processing, and flammable ice sectors were among the top gainers, while the CPO, components, and metal new materials sectors were among the top losers.