GLONGHUI January 4 | December Caixin China's service sector PMI rose to 52.9, exceeding expectations. Major A-share indices fluctuated downward in early trading. As of the midday close, the Shanghai Index fell 0.87% to 2,941 points, the Shenzhen Stock Exchange Index fell 1.44%, and the GEM Index fell 1.78%. Nearly 3,600 shares in the two markets fell, trading at 413.1 billion yuan in half a day, and the net sale of northbound capital was 6.475 billion yuan. On the market, supply and marketing agency concept stocks soared, and Swan shares rose and stopped; Yu Chengdong said that 2024 was a critical year for native Hongmeng. Hongmeng concept stocks strengthened, and Yahua Electronics rose and stopped by 20CM; digital currency concept stocks rallied, and Ji Da Zhengyuan rose and stopped; ST sector, Huawei, and Euler had the highest gains. In addition, media and gaming stocks declined, with many stocks falling by more than 5%; the AIGC sector fluctuated and Wanxing Technology led the decline; MR concept continued to be sluggish, and Liding Optoelectronics fell to a standstill; the photovoltaic equipment sector weakened, and King Kong PV fell by more than 7%; and sectors such as PEEK materials, Chinese Super League concepts, and HIT batteries registered the highest declines.