直接跌停！套利失败，快乐消失了...

Market Performance - A-shares showed a positive performance on December 25, with the Shanghai Composite Index recording a 0.47% increase, the Shenzhen Component Index up by 0.33%, and the ChiNext Index rising by 0.3% [2] - A total of 3,773 stocks rose, with 93 stocks hitting the daily limit up, while 1,473 stocks declined [3][4] Trading Volume and Activity - The total trading volume reached 19,439.18 billion CNY, with a total of 113,821.2 million shares traded [4] - The increase in the number of rising stocks was 1,040, representing a 38.05% increase in the number of stocks that rose [4] Sector Highlights - The commercial aerospace sector continued its strong performance, with Shenjian Co. achieving six consecutive limit-up days, and over 20 stocks including China Satellite and Shanghai Port Bay hitting the daily limit up [4] - The robotics sector also saw a collective surge, with stocks like Haozhi Electromechanical and Fenglong Co. experiencing limit-up days [5] Silver Fund Performance - The only "pure silver" fund in the A-share market, Guotou Silver LOF, hit the daily limit down on December 25, following a significant price drop after a period of high premium [6][7] - The fund had previously seen a cumulative increase of nearly 220% this year, while the Shanghai Futures Exchange silver futures rose approximately 128% [9] - The premium of the fund relative to its underlying assets reached close to 62%, up from about 7% earlier in the month, indicating a strong contraction in premium due to profit-taking by arbitrageurs [9]