Group 1 - Guangdong will host over 200 night-themed consumption activities from July to September 2025, aimed at boosting summer consumer enthusiasm and economic growth [1][2] - The new quantum entanglement light source developed by Sun Yat-sen University has a fidelity of 99.4%, providing crucial support for next-generation quantum precision measurement technology and functional optical quantum information processing chips [3][4] - The strong performance of Hong Kong's financial market has attracted significant interest from the South Korean financial sector, particularly in digital asset development and upcoming stablecoin regulations [5][6] Group 2 - Shenzhen's urban rail transit network recorded over 10 million passenger trips for three consecutive days from July 7 to 9, indicating strong growth in ridership and urban vitality [7][8] - The Shenzhen Composite Index closed at 10,696.10 points, up 0.61% on July 11, reflecting positive market sentiment [9] - Notable stock performances include San Chuan Wisdom with a price of 5.50 yuan, up 20.09%, and Gu Ao Technology at 12.22 yuan, up 20.04% [10]

Group 1 - The Tianzhou-9 cargo spacecraft and Long March 7 Yao-10 rocket have been transported to the launch area, with plans for a launch in the near future [1] - A new type of quantum entangled light source has been developed by a research team from Sun Yat-sen University, achieving a fidelity of 99.4% in a novel micro-nano quantum entangled light source [2] - The establishment of the Rulai Intelligent Robot R&D headquarters in Wuxi High-tech Zone marks a significant achievement in the region's intelligent manufacturing sector, with a total investment exceeding 1 billion yuan and a planned construction area of 55,000 square meters [2] Group 2 - VinFast, a Vietnamese electric vehicle manufacturer, has signed a strategic cooperation agreement with BatX Energies to develop a high-voltage battery recycling and reuse project, which is a key part of VinFast's localization supply chain strategy in India [2]

Core Viewpoint - A new type of quantum entangled light source has been successfully developed by a research team from Sun Yat-sen University, marking a significant advancement in quantum technology [1] Group 1: Research Achievement - The research team led by Professors Wang Xuehua and Liu Jin has proposed a novel cavity-induced spontaneous two-photon radiation scheme [1] - The team achieved spontaneous two-photon radiation with an intensity comparable to single-photon radiation for the first time internationally [1] - The newly developed micro-nano quantum entangled light source has a fidelity of up to 99.4% and is triggered on demand [1] Group 2: Implications for Technology - This breakthrough provides critical support for the development of next-generation quantum precision measurement technology [1] - It also facilitates the construction of functional optical quantum information processing chips [1]