Group 1 - Hong Kong's Hang Seng Index fell by 0.13%, down 32 points, while the Hang Seng Tech Index decreased by 0.06% with a trading volume of 108.1 billion HKD in the morning session [1] - The implementation of the stablecoin regulation in Hong Kong is expected to expedite the processing of license applications by the Hong Kong Monetary Authority, potentially opening up valuation reassessment opportunities for companies like Zhong An Online, which rose by 4.37% [1] - Geopolitical risks are anticipated to increase demand for oil and gas exploration and equipment maintenance, leading to a significant rise in Shandong Molong's stock price, which surged over 9% and has increased 1.6 times over the past three trading days [1] Group 2 - The new generation neuro-modulation chip approved by the FDA is expected to target a market of approximately 10 million patients with Parkinson's disease, resulting in a 283% increase in the stock price of Brain Regen Tech, which has seen a year-to-date increase of over 50 times [1] - Nanjing Panda Electronics and Micron Brain Science stocks rose by 27.0% and 16%, respectively, as part of the collective surge in brain-computer interface concept stocks [1] - Huiju Technology's stock increased by over 7%, reaching a new high, with a cumulative rise of over 60% in the past month, as institutions anticipate its inclusion in the Hong Kong Stock Connect [1] Group 3 - Sands China completed the full redemption of its 2025 notes and the cancellation of its notes listing for the year, resulting in a stock increase of 4.84% [2] - Weimob Group's stock rose over 5% following WeChat's announcement that public accounts can now sell products through WeChat stores, positioning the company to benefit from the growth of WeChat e-commerce [3] - The real estate sector saw a general pullback, with Kinhui Holdings and Agile Group experiencing declines of 9% and 3.4%, respectively, amid weaker sales indicators in May [3] Group 4 - Rongchang Bio's stock fell over 6% after the company completed a placement that raised approximately 800 million HKD, with UBS stating that the stock price has already reflected positive catalysts [4]