恒生指数午盘涨0.43%，恒生科技指数涨1.91%，奇瑞汽车上市首日半日涨8.55%

Group 1 - The Hang Seng Index rose by 0.43% at midday on September 25, while the Hang Seng Tech Index increased by 1.91% [1] - Semiconductor stocks continued their strong performance, with Hua Hong Semiconductor rising over 6% and SMIC increasing nearly 2% [1] - Technology stocks collectively strengthened, with JD.com up over 6%, Baidu rising over 4%, and Xiaomi Group increasing nearly 4% [1] - Chery Automobile saw an impressive debut, with its stock rising 8.55% on the first day of trading [1]