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Among them, the market value of chip leader SMIC A shares exceeded 170 billion yuan, ranking first. According to the data, SMIC is one of the world's leading integrated circuit wafer foundry enterprises, and it is a professional wafer foundry enterprise with advanced technology, the largest scale, the most complete supporting services and transnational operation.In the secondary market, the concept stocks of M&A and restructuring rose strongly, and the restructuring index rose nearly 63% since September 24th.According to data treasure statistics, excluding central enterprises and state-owned enterprises, among the above three sectors, there are 41 Shanghai local stocks with a market value exceeding 10 billion yuan.

In addition, the market value of Zhongwei Company, Weir Shares and UIH Medical all exceeded 100 billion yuan.Since the beginning of this year, favorable policies for mergers and acquisitions have been frequent. Since the CSRC issued the Opinions on Deepening the Market Reform of Listed Companies' M&A and Restructuring on September 24th, the support of all parties to the M&A and restructuring market has continued to increase, and the M&A and restructuring market has continued to be active.Judging from the market performance, the average growth rate of 41 key sector stocks since September 18 is close to 56%, far outperforming the performance of the broader market in the same period. Among them, two stocks of Xinxiangwei and SMIC doubled. Xinxiangwei's main business focuses on the research, development, design and sales of display chips, and is committed to providing complete display chip system solutions.

Zhongwei company is a company engaged in the research, development, production and sales of high-end semiconductor equipment and pan-semiconductor equipment. Great Wall Securities said that the company's etching, thin film deposition and MOCVD equipment have reached the international advanced level.In the secondary market, the concept stocks of M&A and restructuring rose strongly, and the restructuring index rose nearly 63% since September 24th.Analysts said that the plan is expected to benefit Shanghai local stocks from multiple dimensions.