Zhong Guo Ji Jin Bao·2025-05-21 08:08Market Overview - A-shares experienced a volatile increase on May 21, with the Shanghai Composite Index rising by 0.21%, the Shenzhen Component Index by 0.44%, and the ChiNext Index by 0.83% [2] - The North Star 50 Index reached a new historical high, with a total of 1,615 stocks rising and 3,604 stocks declining [2][3] Stock Performance - Gold stocks saw a collective surge, with notable performers including Lai Shen Tong Ling, which hit the daily limit, and Xiao Cheng Technology, which rose over 10% [3] - Solid-state battery concept stocks exploded, with Jin Long Yu, Guo Xuan High-Tech, and Ling Pai Technology hitting the daily limit [5] - Pharmaceutical stocks remained active, with San Sheng Guo Jian, Shu Tai Shen, and Hai Chen Pharmaceutical also hitting the daily limit [6] Oil Market Dynamics - Brent crude oil prices surpassed $66 per barrel, while WTI crude oil saw a peak increase of 3.5% before retreating [8] - The oil market has been volatile due to fluctuating news regarding Iran and U.S. nuclear negotiations, with potential Israeli strikes on Iranian nuclear facilities causing price spikes [11][12] - If Israel were to strike, it could disrupt global oil supply, with estimates suggesting that such an action could increase oil prices by approximately $8 per barrel [14]