Mei Ri Jing Ji Xin Wen·2025-07-23 23:13Group 1 - The Guangxi Futures Exchange has announced adjustments to the trading rules for industrial silicon, polysilicon, and lithium carbonate futures contracts, including changes to price limits, margin requirements, transaction fees, and trading limits, effective from July 25, 2025 [1] - The price limit for industrial silicon futures contracts has been adjusted to 8%, with speculative trading margin set at 10% and hedging margin at 9%. Transaction fees for polysilicon and lithium carbonate futures have also been revised [1] - These adjustments aim to optimize market risk control and trading costs, enhance market liquidity, and provide more flexible hedging tools for related industry chain enterprises, ultimately benefiting the functionality of the futures market [1] Group 2 - *ST Zhengping has acknowledged the high market interest in the "Yarlung Tsangpo River downstream hydropower project," but has indicated uncertainty regarding its participation in the project [2] - The company has extensive qualifications in infrastructure construction, including water conservancy and hydropower engineering, but has not confirmed any intention to participate in the hydropower project, highlighting the potential gap between market speculation and actual project involvement [2] - ST Xifa has clarified that its main business is beer production and sales, which does not involve any hydropower station construction projects, despite the market's focus on the hydropower project [3] - The company has distanced itself from the water project, indicating that the stock's abnormal fluctuations are not related to its core business, and investors should be cautious of speculative risks [3]