整理：每日期货市场要闻速递（6月30日）

Group 1 - The Shanghai Futures Exchange reported a decrease in copper inventory by 19,264 tons and aluminum inventory by 10,194 tons, while zinc and lead inventories increased by 769 tons and 638 tons respectively, and nickel and tin inventories decreased by 586 tons and 10 tons respectively [1] - The Dalian Commodity Exchange has adjusted the delivery quality standards for live pig futures, modifying the average weight and individual weight range of the delivery standard, as well as the alternative delivery products and premiums [1] - The China Nitrogen Fertilizer Industry Association held a meeting with key nitrogen fertilizer export enterprises to discuss recent export situations and issues, affirming the association's efforts and encouraging companies to work together on supply stability and self-regulated exports [1] - OPEC+ is considering extending its large-scale production increase plan in the upcoming meeting, with Saudi Arabia leading efforts to regain market share, as eight major OPEC+ member countries have increased production by 411,000 barrels per day over the past three months [1] Group 2 - Steel and iron e-commerce data shows that the total urban inventory is 7.1552 million tons, an increase of 17,700 tons (+0.25%) from last week, with construction steel inventory at 3.7031 million tons, up by 10,100 tons (+0.27%), and hot-rolled coil inventory at 1.7102 million tons, increasing by 19,900 tons (+1.18%) [2] - In Shanxi Province, safety inspections have tightened, leading to the suspension of a coal mine due to safety hazards, affecting a capacity of 900,000 tons, with a shutdown period of 10-15 days; a total of three coal mines have been suspended, impacting daily raw coal output by approximately 9,000 tons [2]