伦铜价格持续走强，涨幅扩大至2.25%，现报13198美元/吨

Group 1 - The core point of the article is that copper prices are experiencing a significant increase, with a rise of 2.25%, currently reported at $13,198 per ton [1] Group 2 - The news highlights the ongoing strength in copper prices, indicating a positive trend in the market [1] - The increase in copper prices may reflect broader economic conditions or demand factors influencing the metal market [1]