金属全线上涨 期锌创四个月新高，因市场担忧供应吃紧【7月21日LME收盘】

Group 1 - LME zinc prices reached a four-month high due to concerns over supply tightness, with over 50% of the registered warehouse inventory marked as canceled warrants [1][3] - As of July 21, LME three-month zinc closed at $2,838.50 per ton, up $20 or 0.71% [1][2] - Total zinc inventory in LME warehouses is 118,225 tons, with 50% or 59,900 tons available for delivery, raising questions about the actual movement of zinc from warehouses [3] Group 2 - The increase in nickel prices is attributed to expectations of rising demand from China, leading to short covering by traders [4] - Industrial metal prices are supported by stable growth plans in China's machinery, automotive, and electrical equipment sectors [3]