光伏概念股集体走强 双良节能涨停

Group 1 - The photovoltaic concept stocks collectively strengthened, with Shuangliang Energy hitting the daily limit, and Tianyi New Materials, Zhonglai Co., and TCL Zhonghuan rising over 5% [1] - Other companies such as Hongyuan Green Energy, Yijing Optoelectronics, Shouhang New Energy, Oujing Technology, and GCL Integration also experienced gains [1] - According to the China Nonferrous Metals Industry Association Silicon Industry Branch, the transaction price range for multi-crystalline silicon n-type raw materials this week was 40,000-49,000 yuan/ton, with an average transaction price of 41,700 yuan/ton, reflecting a week-on-week increase of 12.4% [1] - The transaction price range for n-type granular silicon was 40,000-45,000 yuan/ton, with an average transaction price of 41,000 yuan/ton, showing a week-on-week increase of 15.2% [1]