

Group 1: Share Buybacks and Investments - China Communications Construction Company plans to repurchase shares worth between 500 million to 1 billion yuan, with a maximum repurchase price of 13.58 yuan per share [6] - Yingtan Technology intends to adjust the upper limit of its share repurchase price from 38 yuan to 65.04 yuan per share due to recent stock price increases [3] - Zhongjian Technology is set to invest 1.402 billion yuan in a high-performance carbon fiber product project, aiming for an annual production capacity of 2,000 tons [13] Group 2: Mergers and Acquisitions - Zhejiang Longsheng plans to acquire a 37.57% stake in its subsidiary, Desida, for 697 million USD, aiming to resolve litigation issues and consolidate ownership [9] - Bohai Automotive intends to purchase equity stakes in several companies, with its stock set to be suspended from trading starting June 3, 2025, for up to 10 trading days [4] Group 3: Regulatory and Compliance Issues - Aerospace Morningstar has been suspended from participating in military procurement activities due to reported violations [2] - ST Baili received an administrative penalty notice from the Hunan Securities Regulatory Bureau for failing to disclose non-operating fund occupation matters, facing fines totaling 4 million yuan [8] - Jinfu Technology has also received an administrative penalty notice for falsely reporting revenue, with proposed fines totaling 7.5 million yuan [12] Group 4: New Listings and Stock Changes - Jiewate has submitted an application for H-share issuance and listing on the Hong Kong Stock Exchange, pending regulatory approvals [4] - ST Gengxing will change its stock name to ST Haiqin starting June 6, 2025, while maintaining its stock code [5]