揭秘涨停 | 这只工程机械股封单资金逾6亿元

Group 1: Market Performance - Top stocks with significant closing limit orders include Aorui De, Fangzheng Technology, and Tuoshan Heavy Industry, with Tuoshan Heavy Industry leading at 6.53 billion CNY in limit order funds [1] - Continuous limit-up stocks include Xizang Tourism with 6 consecutive limit-ups and a cumulative increase of 76% since July 15, while Tuoshan Heavy Industry achieved 4 consecutive limit-ups [1] Group 2: PCB Sector - Notable stocks in the PCB sector include Fangbang Co., Tongguan Copper Foil, and Deep South Circuit, with Fangbang's copper foil products used in PCB applications [2] - Dazhu CNC is recognized as a leading company in PCB production equipment, covering various types of boards [2] - Deep South Circuit has a monthly PCB production capacity of 140,000 square meters, serving multiple industries [2] Group 3: Film and Cinema - Key players in the film industry include Happiness Blue Sea and China Film, with Happiness Blue Sea involved in the entire film industry chain [3] - China Film is a significant entity in the industry, participating in the production of 46 domestic films in 2024, with several achieving box office success [3] Group 4: Optical Packaging - Stocks in the optical packaging sector include Xingsen Technology and Guangxun Technology, with Xingsen's optical module business entering mass production [4] - Guangxun Technology has successfully shipped 400G and 800G optical modules and is actively developing high-speed optical modules [4] Group 5: Institutional Investment - Stocks with significant net purchases on the leaderboard include Shenghong Technology and Guangxun Technology, with net purchases of 11.89 billion CNY and 4.92 billion CNY respectively [6] - Other stocks with net purchases exceeding 1 billion CNY include China Film and Happiness Blue Sea [6]