Group 1 - The core viewpoint of the articles highlights the fluctuations in silver prices, with the Shanghai silver futures closing at 23,019 yuan per kilogram, reflecting a daily increase of 0.57% and a significant trading volume of 389,182 contracts [1] - The spot price of silver in Shanghai is reported at 21,804 yuan per kilogram, indicating a discount of 1,215 yuan per kilogram compared to the futures price [1] - The ongoing negotiations between Iran and the U.S. have shown some progress, with both sides approaching consensus in certain areas, although significant differences remain [1] - The U.S. 30-year mortgage rates have dropped below 6% for the first time since 2022, which may influence investment behaviors [1] - India has relaxed investment regulations for actively managed stock funds, allowing greater allocation to gold and silver [1] Group 2 - The conclusion of the third round of negotiations between Iran and the U.S. has led to significant volatility in oil prices, with a notable impact on silver prices, which have shown weakness compared to gold [2] - The premium for Shanghai silver has widened to approximately 2,400 yuan per kilogram, indicating market dynamics and investor sentiment [2] - Despite existing risk aversion, the performance of technology stocks has been lackluster, contributing to the fluctuations in silver prices [2] - Recommendations for trading Shanghai silver suggest a range operation between 21,500 and 23,480 yuan per kilogram [2]