刚刚，这一板块，集体涨停！

Market Overview - On October 31, the A-share market opened slightly lower but rebounded, with the Shenzhen Component Index and ChiNext Index turning positive [1] - The Hong Kong stock market opened lower, with major indices still in the red, led by BYD's share price dropping over 4% [2] Lithium Battery Sector - The lithium battery sector showed strong performance, with significant gains in electric power equipment, lithium batteries, and photovoltaic equipment stocks [3] - Notable stocks included Haike New Energy, which hit the 20% daily limit, and several others like Dongfang Nano and Shenghui Technology rising over 10% [4] - The average price of lithium hexafluorophosphate increased to 103,000 yuan per ton, up 2.49% from the previous trading day, and significantly higher than the 63,300 yuan per ton recorded on September 30 [4] Media and Pharmaceutical Sectors - The media sector saw a surge, with stocks like Rongxin Culture and Shandong Publishing hitting the daily limit [6] - The pharmaceutical sector also experienced a rally, with Sanofi National Health rising over 16% and several other stocks reaching their daily limits [8] - The ongoing national medical insurance negotiations have drawn market attention, particularly with the introduction of a new "commercial insurance innovative drug catalog" mechanism [9] AI Application Sector - AI application stocks gained traction, with companies like 360 Technology hitting the daily limit [6] - According to a report, the number of active mobile users in China's AI application sector surpassed 700 million, reaching 729 million by September 2025 [6] Vaccine Sector - Recent announcements from health authorities included the inclusion of the HPV vaccine in the national immunization program, set to be provided for free to eligible girls starting November 10, 2025 [10]