On December 4, the Shanghai Silicon Industry traded 3.5 million shares, with a turnover of 75.88 million yuan, accounting for 10.41% of the day's total turnover. The transaction price was 21.68 yuan, 1.5% off the market closing price of 22.01 yuan.

On December 4, the Shanghai Silicon Industry traded 3.5 million shares, with a turnover of 75.88 million yuan, accounting for 10.41% of the day's total turnover. The transaction price was 21.68 yuan, 1.5% off the market closing price of 22.01 yuan.