A股迎强劲反弹，沪指重回3300点

Market Performance - A-shares experienced a strong rebound on May 6, with the Shanghai Composite Index rising by 0.94% to 3309.95 points, the Shenzhen Component Index increasing by 1.66%, and the ChiNext Index up by 2% [1] - The total trading volume for A-shares reached 866.48 billion yuan during the half-day session [1] Sector Highlights - The controllable nuclear fusion concept stocks surged, with significant gains in related sectors such as superconducting concepts and rare earth permanent magnets [3][4] - The BEST project, aimed at developing the world's first compact fusion energy experimental device, commenced assembly two months ahead of schedule, with completion expected in 2027 [4] Company Insights - Xinhongye is involved in the ITER project and is focusing on controllable nuclear fusion technology, with high barriers to entry due to the specialized equipment and long-term R&D requirements [8] - Aike Saibo is expanding into the general testing power supply market, aiming to replace foreign brands with competitive pricing and service [8] - Hailu Heavy Industry leads in nuclear safety equipment manufacturing and is progressing well with its fundraising for the fourth-generation nuclear-grade container project [8] - Yongding Co. is accelerating the commercialization of high-temperature superconducting materials, targeting applications in nuclear fusion and medical fields [8]