Core Viewpoint - The film "731" has achieved significant pre-sale box office success, surpassing 10 million yuan, which has positively impacted the A-share film industry, leading to a collective surge in stock prices of related companies [4][8]. Film Performance and Market Impact - "731" focuses on the war crimes of the Japanese army's Unit 731 and is set to release on September 18, 2025, coinciding with the 94th anniversary of the "September 18 Incident," giving it historical and contemporary significance [6]. - The film has generated substantial market interest, with over 5.9 million people wanting to see it on the Maoyan platform and over 2.1 million on the Taopiaotao platform. The film's first-day screening accounted for 99.5%-99.8% of the total market share, with over 55,000 screenings scheduled within hours of the pre-sale launch [6][9]. Reasons for Stock Surge - The film's high pre-sale performance and screening rate have led to market expectations that its box office could exceed forecasts, with estimates ranging from 3 billion to 5 billion yuan, benefiting companies involved in its production, distribution, and screening [9]. - The overall recovery of the film industry is supported by strong box office performance in the summer of 2025, which has exceeded 5.5 billion yuan, and the success of previous films like "Nanjing Photo Studio" has boosted market confidence [9]. - Several film companies have reported significant improvements in mid-year performance, such as Wanda Film's net profit increasing by 341% year-on-year to 394 million yuan, providing fundamental support for the sector's growth [9]. Beneficiary Companies Analysis - China Film (600977) experienced a stock price surge due to its close ties with "731," as it is one of the main production companies and also involved in overseas distribution and technical support for the film [11]. - Cinema chains like Wanda Film and Hengdian Film are positioned to benefit from increased box office revenues, as they receive approximately 52% of total box office earnings [11].