“九天”无人机首飞在即；金价大涨重回3400美元

Group 1: Drone Industry and Low-altitude Economy - China's first swarm mother ship drone is set for its maiden flight by the end of June 2023, with the "Jiutian" drone completing structural assembly and undergoing system testing [3] - The low-altitude economy is projected to exceed 500 billion yuan in 2023, reaching 1.5 trillion yuan by 2025, and potentially surpassing 2 trillion yuan by 2030, with a forecast of 3.5 trillion yuan by 2035 [4] - The Ministry of Industry and Information Technology emphasizes the enhancement of 5G and gigabit optical networks, alongside the acceleration of 6G technology development [3][4] Group 2: Gold Market Dynamics - Gold prices have surged back to over 3,400 USD per ounce, with several brands of gold jewelry seeing prices above 1,000 yuan per gram [10] - The increase in gold prices is attributed to rising market risk due to potential tariff hikes by the U.S. and geopolitical tensions, with COMEX gold futures rising by 2.74% [10][11] - Long-term, gold remains a valuable asset amid uncertainties in global tariff policies and geopolitical risks, with a sustained upward trend expected as long as U.S. long-term bond yields remain above 4% [11][12]