603300，突发跌停

Market Overview - A-shares opened higher on the first trading day after the holiday, with the Shanghai Composite Index up 0.37%, the Shenzhen Component Index up 0.73%, and the ChiNext Index up 0.75% [2][3] - The gold futures main contract surged over 5%, reaching a new historical high of 917.42 yuan per gram [7][8] Sector Performance - The precious metals sector showed strong performance, with gold-related stocks significantly rising, including Sichuan Gold, which hit the daily limit, and other companies like Xiaocheng Technology and Chifeng Gold also experiencing substantial gains [6][7] - Other active sectors included nuclear fusion, basic metals, and gas, while sectors such as catering and tourism, real estate, and cultural media faced declines [4][5] Specific Company News - Hainan Huatie's stock hit the daily limit down after announcing the termination of a 36.9 billion yuan contract for computing power services, citing significant changes in market conditions since the contract was signed [9][10][11] - The company has not received any purchase orders since the signing of the agreement and has issued a termination notice to the contracting party [10]