A股开盘：沪指涨0.7%、创业板指涨1.65%，半导体、房地产概念股走高，贵金属板块延续颓势

Market Overview - On February 3, A-shares opened higher across the board, with the Shanghai Composite Index rising by 28.16 points (0.7%) to 4043.91 points, the Shenzhen Component up by 162.54 points (1.18%) to 13986.89 points, and the CSI 300 increasing by 42.38 points (0.92%) to 4648.36 points [1] - The semiconductor sector showed strength at the opening, with stocks like Langke Technology and Purun Co. both rising over 7% [1] - The real estate sector also opened high, with stocks such as Jingtou Development and Urban Construction Development hitting the daily limit [1] - Conversely, the precious metals sector opened lower, with Sichuan Gold and Zhaojin Mining both hitting the daily limit down, and Zhongjin Gold falling over 8% [1] Company News - Litong Electronics is still in the early discussion phase for liquid cooling products and has no specific development or production plans [3] - Changfei Optical Fiber reports that the global optical fiber and cable market environment is normal, and the impact of product price fluctuations on future performance needs comprehensive assessment [3] - Weiyuan Co. has successfully produced qualified products from its 250,000 tons/year electrolyte solvent project, which will increase its production capacity for various chemicals [3] - Lingyun Optical is focusing on "AI + vision" technology to provide smart manufacturing and quality inspection solutions for leading domestic and international companies [4] - Guangdong Yuedian A's subsidiary has successfully put into commercial operation a new power plant project [4] - ZTE plans to invest 117 million yuan in a new fund focused on next-generation information technology, new energy, AI, and advanced manufacturing [4] - Aorui De's subsidiary plans to invest approximately 145 million yuan in purchasing computing power equipment [5] Industry Insights - The global AI computing power construction is entering a boom period, with transformers becoming a core resource for computing infrastructure, leading to high demand and extended delivery times [6] - Goldman Sachs has raised its forecast for DRAM contract prices, expecting a quarter-on-quarter increase of 90-95% in Q1 2026, significantly higher than previous expectations [8] - Tesla is set to unveil its third-generation humanoid robot, with plans for mass production [9]