突发！涨幅0.21%→18.61%，竞价近223万元撬动5.4亿元市值增长

Group 1 - The stock market experienced significant activity on November 24, with 18 stocks increasing by over 1% within a 3-minute period during the closing auction, including notable companies such as Lingdian Electric Control and Shanghai Electric [1] - Lingdian Electric Control's stock price surged from less than 0.21% to 18.61% during the closing auction, with a trading volume of only 334 shares, translating to approximately 2.226 million yuan in capital, resulting in an increase of 540 million yuan in market capitalization [1] Group 2 - Lingdian Electric Control specializes in automotive power electronic control systems, with its main business activities including the research, production, sales, and technical services of engine management systems, pure electric vehicle power electronic control systems, hybrid vehicle power electronic control systems, and intelligent connected products [4] - In the first three quarters of the year, Lingdian Electric Control achieved a net profit of 75 million yuan, reflecting a year-on-year growth of 815.3% [4] - As of November 10, the number of shareholders for Lingdian Electric Control stood at 4,179 [4]