大面积涨停！这一概念爆发

Market Overview - The Shanghai Composite Index opened lower by 0.17% on May 22, fluctuated, and closed with a slight increase of 0.06 points. The Shenzhen Component Index fell by 0.28%, and the ChiNext Index decreased by 0.44% [1] - The Hang Seng Index in Hong Kong also opened lower and closed down by 0.55% [2] Defense and Military Industry - The defense and military sector showed strong performance, with stocks like Guoketiancheng (301571) hitting the daily limit with a 20% increase. Other stocks such as Sichuan Chuangxin (600990), Hitec (002023), Guorui Technology (600562), and Galaxy Electronics (002519) also reached their daily limits [3][6][9][10][12][17] - The recent announcement by U.S. President Trump regarding a $175 billion investment in the "Iron Dome" missile defense system has raised concerns about escalating military competition and risks associated with space warfare [18] - The Chinese government has emphasized the importance of national security and the military industry, indicating a stable growth in military spending, which is expected to support the industry's development [19][20] Banking Sector - The banking sector saw a collective rise, with banks like Qingdao Bank (002948) increasing over 3%, and several others like Shanghai Bank (601229) and Jiangsu Bank (600919) also showing gains [21][22] - Recent adjustments in the Loan Prime Rate (LPR) and deposit rates by major banks are expected to impact the banking sector positively, with a focus on stabilizing growth and improving asset quality [23]