涨停潮！TMT赛道，突然爆发

Group 1: TMT Sector Performance - The TMT sector showed strong performance in the A-share market, with multiple industry segments experiencing significant gains and several stocks hitting the daily limit up [2][4] - The communication sector led the gains, with a peak increase of over 2%, and stocks such as Dongxin Peace and Mingpu Optoelectronics reaching their daily limit up [2][3] - The media sector also performed well, with a near 2% increase, highlighted by stocks like Chuanwang Media and Yuanlong Yatu achieving limit up [4][5] Group 2: New Stock Performance - Haiyang Technology, a new stock, saw its price surge over 500% during its debut, indicating strong market interest [10] - The company specializes in the research, production, and sales of nylon 6 series products, aiming to become a leader in the nylon industry [10][11] - Haiyang Technology has established long-term collaborations with several well-known domestic and international companies in its product field, enhancing its brand recognition [11] Group 3: Hong Kong Market Highlights - The Hong Kong market exhibited a relatively flat performance, with the Hang Seng Index mostly declining [12][13] - However, the pharmaceutical sector in Hong Kong experienced a significant rise, with stocks like China Biologic Products and Meizhong Pharmaceutical seeing increases of over 11% [14][15] - The market also noted a substantial increase in BioNTech's stock, which rose over 8% following a successful share placement announcement [15][16]