可控核聚变、商业航天逆势大涨，大盘为何高开低走？

Market Overview - The Shanghai Composite Index opened high but closed lower, down 0.70% at 3873.32 points, with a trading volume of 1.8571 trillion yuan, an increase of 78.6 billion yuan compared to Wednesday [1] - The decline in the A-share market was influenced by external market expectations regarding interest rate cuts in 2026, which are anticipated to slow down compared to this year [3] Competition Insights - The ongoing "掘金大赛" (Gold Digging Competition) has seen strong performances from participants since its start on December 1, with winners to be announced after the market closes on Friday [1] - The competition offers a simulated trading environment with a starting capital of 500,000 yuan, and participants can earn cash rewards based on their performance [3] Sector Opportunities - Some participants in the competition are optimistic about the prospects of humanoid robots, including components such as reducers, lead screws, actuators, and dexterous hands [4] - The "火线快评" (Quick Review) product, developed by a team, provides insights into market trends, investment logic, and company analysis, which is available to competition participants [4] Performance Highlights - Since April, sectors such as the Nvidia supply chain, electronic fabrics, rare earths, tungsten mines, and silver have shown significant growth, with companies like Industrial Fulian, Honghe Technology, and Xingye Silver Tin doubling their stock prices [5]