Chinanews client, July 23 (Xie Yiguan) On the 23rd, the three major A-share stock indexes fluctuated downward in early trading. As of press time, the Shanghai Composite Index fell 2.11% to 3,262.89 points, falling below 3,300 points; the Shenzhen Component Index fell 2.48% to 13317.79 points; the ChiNext Index fell 2.01% to 2713.48 points. In terms of industry sector, only the national defense industry stands out.