AI业务破局+板块热度共振 鹏鼎控股（002938）单日涨停 在当日PCB板块整体表现中尤为突出

Core Viewpoint - Pengding Holdings (002938) experienced a significant stock price surge on January 22, 2026, closing at 59.95 yuan, a 10.00% increase from the previous day's closing price of 54.5 yuan, marking a rise of 5.45 yuan [1] Group 1: Stock Performance - The stock reached a trading volume of 3.172 billion yuan with a turnover rate of 2.39%, standing out in the overall performance of the PCB sector [1] - The afternoon session saw a collective rise in PCB-related stocks, with companies like Chongda Technology and Jin'an Guoji also experiencing notable movements, indicating a strong sector-wide momentum [1] Group 2: Market Sentiment - The strong stock performance led to heightened market sentiment, with discussions about Pengding Holdings doubling compared to usual levels [1] - Some investors expressed optimism about the company's AI business progress and overseas capacity expansion, viewing these factors as supportive for long-term growth [1] - There is a divide among investors, with some considering profit-taking while others are concerned about missing out on short-term opportunities, alongside warnings from seasoned investors about the uncertainty of the sustainability of the stock's rapid rise [1]