Group 1 - Hong Kong high-speed rail infrastructure stocks surged, with China Railway leading with a rise of over 10%, followed by China Metallurgical with a 7% increase, and other companies like Times Electric and CRRC rising over 4% [1] - The recent increase in copper prices is attributed to supply shortages and the logic of a computing power revolution, prompting CITIC Construction Investment to suggest focusing on investment opportunities in the non-ferrous metals sector, including gold, silver, and copper [1] - China Metallurgical's copper-gold project in Pakistan has a design capacity of 12,800 tons of ore processed daily and an annual smelting capacity of 20,000 tons, producing crude copper [1] Group 2 - The Aynak copper mine project in Afghanistan has a resource volume of 662 million tons, with a copper metal content of 11.08 million tons and an average copper grade of 1.67%, classified as a world-class super-large copper deposit [1] - Changjiang Securities previously noted that China Railway currently has five modern mines invested in, either wholly or partially, both domestically and internationally; the company's mineral resource business operates steadily, and there is a focus on the revaluation of its mineral resources [1] - The stock performance of key companies includes: China Railway (4.190, +8.27%), China Metallurgical (3.090, +6.92%), Times Electric (45.440, +4.36%), CRRC (6.250, +4.17%), and China Railway Construction (5.570, +3.53%) [1]