Group 1 - The Shanghai Composite Index fell by 0.46% to close at 3666.44 points, while the Hang Seng Index decreased by 0.37% to 25519.32 points [1] - Qingdao Port's AH premium reached 43.84%, ranking it 78th in terms of AH stock premium rates [1] - On the closing day, Qingdao Port's A-shares were priced at 8.77 yuan, down 0.79%, and H-shares were at 6.67 HKD, down 1.04% [1] Group 2 - Qingdao Port International Co., Ltd. was established on November 15, 2013, and was listed on the Hong Kong Stock Exchange on June 6, 2014, and on the Shanghai Stock Exchange on January 21, 2019 [1] - The company is a major operator of Qingdao Port, which has been operational since 1892, managing five key port areas: Qianwan, Huangdao Oil Port, Dongjiakou, Dagang, and Weihai [1] - Qingdao Port provides various services including loading and unloading of containers, metal ores, coal, crude oil, logistics, and port value-added services, benefiting from its strategic location as a key international trade hub in Northeast Asia and a significant point on the "Belt and Road" initiative [1]