000688、000546，开盘快速涨停

Group 1: Lithium Mining Sector - Lithium mining stocks saw a significant rise, with Guocheng Mining (000688) and Jinyuan Co. (000546) hitting the daily limit up, while Dazhong Mining, Shengxin Lithium Energy, and Salt Lake Co. also experienced gains [1] - In the Hong Kong market, lithium battery stocks strengthened, with Ganfeng Lithium rising over 5% and Tianqi Lithium increasing more than 4% [1] - The main contract for lithium carbonate on the Shanghai Futures Exchange surged by over 7% at one point, closing with a gain of 6.78% [1] Group 2: Company Performance - Guocheng Mining (000688) had a trading volume of 155,000 shares, with a total market value of 29.67 billion [4] - Jinyuan Co. (000546) opened at 6.75, reaching a high of 6.75 and a low of 6.35, with a trading volume of 543,000 shares and a market value of 5.249 billion [5]