中船系板块盘初走低，中船防务跌超4%

Core Viewpoint - The China Shipbuilding Industry experienced a decline in stock prices, particularly in the China Shipbuilding Defense sector, indicating potential market concerns or negative sentiment towards the industry [1] Group 1: Company Performance - China Shipbuilding Defense saw a drop of over 4% in its stock price [1] - Jiuzhiyang's stock fell by more than 2% [1] - Other companies in the sector, including China Shipbuilding Han Guang, China Marine Defense, and Kunshan Intelligent, also showed weakness in their stock performance [1]