The Prev index fluctuated lower in the morning, while the gem index fell unilaterally, expanding to 4%. Since its high on November 29, 2021, it has fallen by more than 20%, entering a technical bear market range. Photovoltaic, chip and other track stocks fell across the board. In the lithium battery plate, the leading Ningde era fell by more than 9%, Xingyuan material, Zhongke Electric, Lianwin Laser and other stocks fell by more than 10%. Photovoltaic plate continued to decline, Jingao Technology hit the limit, High Test shares, Trina Solar Energy fell more than 10%, Longji shares fell more than 4%. CRO plate fell, Wuxi Apptec closed down the limit, Boteng shares fell more than 10%, Kailiying, Pharmaron Beijing Co., Ltd.*, Zhaoyan new drugs fell more than 8%. Tourism stocks rose against the market, Jiuhua Tourism, Lingnan Holdings limit; coal stocks as a whole strong, Anyuan coal industry closed. Individual stocks rose more and fell less, with a turnover of nearly 540 billion yuan between the two cities in half a day in the morning. At midday, the Prev index closed down 0.9%, the Shenzhen Composite Index fell 2.77%, and the gem fell 4.27%.