中船系概念震荡拉升，中船防务触及涨停

Core Viewpoint - The shipbuilding sector experienced a significant surge, with multiple companies in the China Shipbuilding Group seeing notable stock price increases, particularly China Shipbuilding Defense reaching its daily limit up [1]. Group 1 - The China Shipbuilding Group concept stocks showed strong performance, with China Shipbuilding Defense hitting the daily limit up [1]. - Other companies that followed the upward trend include Jiuzhiyang, China Marine Defense, China Shipbuilding Technology, Kunshan Intelligent, ST Emergency, and China Shipbuilding Hanguang [1].