Gelonghui, November 27 | The main A-share index opened low today, and the afternoons fluctuated somewhat. By the close, the Shanghai Index fell 0.3% to 3031 points, the Shenzhen Stock Exchange Index fell 0.55%, and the GEM Index fell 0.61%; after the Beijing Stock Exchange announced the strengthening of trading regulations, the Beijing Stock Exchange 50 Index dived for a while, but continued to rise at the end of the session, finally closing 11.41%, rising more than 55% from October 24. The rise and fall of individual stocks in the two markets was similar, trading at 828.8 billion yuan throughout the day, and the net purchase of capital going north was 334 million yuan. On the market, the wireless headphone concept strengthened in the afternoon, and Leber Technology was close to rising; the lidar concept rose, and Guangku Technology surged by more than 10%; the auto parts sector pulled up and rose higher, and many stocks such as Kaite Stock rose and stopped by 30cm; and the space-time big data, instrumentation, and construction machinery sectors registered the highest gains. In addition, Tencent removed some minor dramas that violated regulations. Short dramas and cultural media stocks continued to decline; Chinese online was approaching a 20CM decline; the real estate sector fell, and Dalong Real Estate fell to a standstill; the diet medicine sector fell, and Changshan Pharmaceutical fell close to 8%; the concept of influenza fluctuated and declined, and Guilin Sanjin fell to a standstill; and sectors such as heparin concepts, brain-computer interfaces, and innovative drugs had the highest declines.