国光电气股价下跌，军工板块波动，核聚变技术受关注

Group 1 - The defense and military industry sector has shown volatility recently, with a focus on the nuclear fusion field, where significant breakthroughs have been made [1] - The Shenyuan Military Industry Index rose by 0.21% from February 2 to February 6, outperforming the CSI 300 Index by 1.54 percentage points, while the engine sector increased by 2.25% due to the enthusiasm for large aircraft [1] - The implementation of the Atomic Energy Law on January 15, 2026, will legally support nuclear fusion research, injecting long-term momentum into the industry [1] Group 2 - Guoguang Electric is expected to face financial pressure in 2025, with projected net losses of 85 million to 105 million yuan due to delayed orders in nuclear industrial equipment and price reductions in microwave devices [2] - As of the third quarter of 2025, Guoguang Electric reported revenues of 254 million yuan, a year-on-year decline of 44.16%, and a net profit of -40 million yuan, with a gross margin dropping to 22.6% [2] - Despite short-term financial challenges, the company's long-term investments in nuclear fusion and commercial aerospace, including participation in the ITER project and low-orbit satellite network construction, are expected to support future recovery [2]