PCB概念股集体走强，深南电路、沪电股份等多股涨停，胜宏科技涨超9%

Group 1 - The A-share market saw a collective surge in PCB concept stocks, with notable increases in several companies' stock prices [1] - Tongyu New Materials experienced a rise of over 17%, while Mingyang Circuit and Wanyuantong saw increases of over 16% and 11% respectively [1] - Other companies such as Weiergao, Dazhu Laser, and Guohe Technology also reported significant gains, with some reaching the daily limit of 10% [1] Group 2 - The total market capitalization of Tongyu New Materials is 8.92 billion, with a year-to-date increase of 223.01% [2] - Mingyang Circuit has a market cap of 12.7 billion and a year-to-date increase of 34.08% [2] - Weiergao's market cap stands at 9.29 billion, with a year-to-date increase of 68.95% [2]