Group 1 - The company, Yidu Tech (02158), repurchased 378,600 shares at approximately HKD 6 per share on January 27, totaling nearly HKD 2.3 million, marking the second consecutive day of buybacks, with a cumulative total of 505,000 shares and over HKD 3 million in total repurchase amount [1] - The founder and chairman of the company, Gong Rujing, attended the 2026 Winter Davos Forum, engaging in high-level industry dialogues and meetings with global leaders from politics, business, and academia [1] - At the forum, a significant collaboration was announced involving Novartis Foundation, the Brunei Ministry of Health, and Yidu Tech's subsidiary EVYD, aimed at implementing a data-driven cardiovascular disease prevention project called CARDIO4Cities [1] Group 2 - The company has been recognized as the top performer in the "2025 Medical Big Data Company Rankings," marking its seventh consecutive year at the top, reflecting its strong technological foundation, mature product system, and extensive industry experience [1]