锂矿、量子科技大涨，稀土午后飙升！还有哪些板块有机会？

Market Overview - The market experienced a quick pullback in the afternoon on October 30, with the Shanghai Composite Index closing down 0.73% at 3986.90 points. The total trading volume in the Shanghai and Shenzhen markets reached 24.217 trillion yuan, an increase of 165.6 billion yuan compared to Wednesday [1]. Competition Insights - The 76th session of the simulated stock trading competition, hosted by the Daily Economic News App, began on October 20, with several participants achieving impressive results, including two participants with returns exceeding 60%. The competition runs from October 20 to October 31, with a simulated capital of 500,000 yuan [1]. Prize Structure - The pre-tax cash rewards for each competition session are as follows: 688 yuan for the 1st place, 188 yuan for the 2nd to 4th places, and 88 yuan for the 5th to 10th places. Additionally, there is a shared reward of 500 yuan for all other participants with positive returns. Monthly leaderboard prizes include 888 yuan for the 1st place and varying amounts for subsequent ranks [3]. Sector Opportunities - Participants in the competition have expressed optimism about sectors such as brokerage firms, server liquid cooling, humanoid robots, and rare metals, indicating potential investment opportunities in these areas [4]. Brokerage Sector Analysis - Some experts believe that certain companies within the brokerage sector are undervalued, with valuations potentially equivalent to the Shanghai Composite Index at around 3000 points, suggesting an arbitrage opportunity [7].