The A-share Science and Innovation 50 Index rose 4.78%, and the concepts of memory chips and precious metals strengthened

Comparing news, the three major A-share indices collectively rallied after opening lower. By the close, the Shanghai Index was up 1.47%, the Shenzhen Stock Exchange Index was up 1.86%, and the GEM Index was up 1.32%. The Science and Innovation 50 Index rose 4.78%. The turnover of the Shanghai and Shenzhen markets was 2.66 trillion yuan, an increase of 446 billion dollars compared to the previous trading day.

The memory chip concept was strong throughout the day, with Zhengfan Technology rising and falling 20%; the lithography machine concept was active, Vogue Optoelectronics was connected to 2 boards; the precious metals concept strengthened, and Sichuan Gold and others rose and stopped.