光伏、硅能源概念股再度走强 硅宝科技涨近10%

Group 1 - The core viewpoint of the article highlights a significant increase in the stock prices of photovoltaic and silicon energy concept stocks, with Silicon Treasure Technology rising nearly 10% [1] - Major companies such as Yijing Optoelectronics, Dongyue Silicon Materials, and Hesheng Silicon Industry saw their stock prices increase by over 5% [1] - The main contract for polysilicon has experienced a consecutive second trading day limit increase, with a rise of 12%, reaching a price of 53,165 yuan per ton [1]