Group 1 - The core viewpoint of the article highlights the fluctuations in LME copper futures prices, with a current price of $9835.5 per ton, reflecting a 0.60% increase from the opening price of $9795 per ton [1] - On August 13, LME copper futures opened at $9829.0, reached a high of $9865.0, and closed at $9781.0, showing a decrease of 0.61% [1] - The electrolytic copper spot price ratio between Shanghai and London was reported at 8.09 on August 13, indicating an import loss of 75.3 yuan per ton, slightly improved from the previous day's loss of 75.33 yuan per ton [1] Group 2 - As of August 13, LME registered copper warrants totaled 144,325 tons, with canceled warrants at 11,550 tons, a decrease of 50 tons [1] - LME copper inventory increased by 875 tons, reaching a total of 155,875 tons on August 13 [1] - The Shanghai Futures Exchange reported a decrease in copper futures warrants to 22,800 tons, down by 3,496 tons from the previous trading day [1]