港股午评：恒生指数跌0.13%，恒生科技指数持平

Group 1 - The Hang Seng Index closed down 0.13%, while the Hang Seng Tech Index remained flat [1] - The oil and gas sector and semiconductors led the gains, with Shandong Molong (002490) rising over 6% and Huahong Semiconductor increasing over 7% [1] - Sanhua Intelligent Control (002050) experienced a decline of over 2% on its first day of trading in Hong Kong [1]