Group 1: Copper Market Overview - LME copper prices increased by 1.20%, reaching $13,464.50 per ton, with an expected weekly gain of nearly 4% following the Chinese New Year holiday [1] - Shanghai copper futures rose by 1.19%, closing at 103,920 yuan per ton, with a cumulative weekly increase of 3.53% [2] - Optimism regarding demand and growth prospects, driven by the U.S. Supreme Court's rejection of Trump's tariff order and the resumption of trading in the Chinese market, dominated the copper market this week [2] Group 2: Inventory and Supply Concerns - Global copper inventories continue to rise, with LME copper stock increasing to 253,600 tons, nearly an 80% rise since January 12 [3] - Shanghai Futures Exchange reported a 43.7% increase in deliverable copper inventory, reaching 391,529 tons compared to the same period last week [4] Group 3: Other Metals Performance - Tin prices surged by 4.90% to $57,100 per ton, with a weekly increase of nearly 23%, influenced by supply concerns due to Indonesia's planned export ban on various raw materials [5] - Aluminum prices decreased by 0.24%, currently at $3,150 per ton [6] - Zinc prices fell by 0.1%, now at $3,375.00 per ton [7] - Lead prices slightly increased by 0.03%, reaching $1,984.5 per ton [8] - Nickel prices rose by 0.91%, currently at $17,855 per ton [9]

Group 1 - The U.S. Supreme Court ruled that the Trump administration's large-scale tariff policy was illegal, leading to a rise in prices of base metals like copper and aluminum on the London Metal Exchange (LME) [1][3] - On February 20, LME three-month copper rose by $155 or 1.21%, closing at $12,964.0 per ton, while three-month aluminum increased by $35 or 1.14%, closing at $3,102.5 per ton [3] - The ruling is expected to reduce short-term risks to global trade flows and industrial demand, which is beneficial for base metals, although some industry-specific tariffs remain in effect [3] Group 2 - LME copper inventory reached 235,150 tons, the highest since March 2025, with a 65% increase in inventory levels this year [4] - The market experienced fluctuations, initially pressured by a strong dollar, rising LME inventories, and weak demand outlook due to the Chinese New Year holiday, but later rebounded due to positive market sentiment following the Supreme Court ruling [2][4] - Despite the positive sentiment, the potential for alternative trade measures and remaining specific tariffs may limit the upside for metal prices [3]