国电南自涨9.01%，股价创历史新高

Group 1 - The stock price of Guodian Nanzi reached a historical high, increasing by 9.01% to 12.70 yuan, with a trading volume of 52.85 million shares and a transaction value of 644 million yuan [2] - The total market capitalization of Guodian Nanzi in A-shares is 12.902 billion yuan, while the circulating market capitalization is 12.836 billion yuan [2] - In the power equipment industry, Guodian Nanzi is among the 44 stocks that have risen, with notable increases also seen in companies like Jiao Cheng Ultrasonic and Shenma Electric Power, which rose by 7.36% and 7.00% respectively [2] Group 2 - The latest margin trading data shows that Guodian Nanzi has a margin balance of 358 million yuan, with an increase of 77.068 million yuan over the past 10 days, representing a growth of 27.48% [2] - The company's semi-annual report indicates that it achieved an operating income of 4.282 billion yuan, a year-on-year increase of 25.23%, and a net profit of 159 million yuan, a year-on-year increase of 197.03% [2] - The basic earnings per share for Guodian Nanzi is 0.1600 yuan, with a weighted average return on equity of 4.64% [2]