上海建工股价大幅波动 此前已斩获5连板

Group 1 - The stock of Shanghai Construction (600170) experienced a significant drop, reaching 3.49 CNY per share, with a sell-off of 200,000 lots at the limit down [1] - The stock had previously seen a continuous rise for five trading days, with a cumulative increase of 61% from September 12 to September 18, significantly outpacing peers in the industry [1] - High turnover rates were noted on September 17 and 18, at 24.68% and 25.83% respectively, indicating a potential "hot potato" effect and heightened trading risks [1] Group 2 - The company reported that its gold mining subsidiary, Zala Mining, increased its Koka gold mine resource reserves by 338,900 ounces, valued at approximately 4.272 billion CNY [1] - Despite the increase in gold reserves, the gold business contributes less than 0.5% to the company's total revenue historically, indicating minimal impact on overall operations [1] - The company disclosed a decline in operating performance for the first half of 2025, with revenue of 105.042 billion CNY, down 28.04% year-on-year, and a net profit of 710 million CNY, down 14.07% year-on-year [2]