Chinanews client, January 28th (Xie Yiguan) On January 28th, the three major A-share stock indexes collectively fluctuated and declined, and the early-stage market capital "group" sector became the main force.

As of the close, the Shanghai Composite Index fell 1.91% to 3,505.18 points; the Shenzhen Component Index fell 3.25% to 1,491.21 points; the ChiNext Index fell 3.63% to 3,161.86 points, below 3,200 points.

The trading volume of Shanghai and Shenzhen stocks reached 915.6 billion yuan throughout the day, and the net outflow of northbound capital was 6.404 billion yuan.

Chemical fiber, electrical instrumentation, electrical equipment, semiconductors, construction machinery and other sectors have fallen ahead.