锌：下方支撑

Group 1: Industry Investment Rating - There is no information about the industry investment rating in the provided content. Group 2: Core Viewpoints - There is no clear core viewpoint explicitly stated in the content. Group 3: Summary of Related Catalogs Fundamental Tracking - Price Changes: The closing price of the main contract of Shanghai Zinc was 22,045 yuan/ton, up 0.85%; the closing price of LME Zinc 3M electronic disk was 2,922.5 dollars/ton, up 1.14% [1]. - Trading Volume: The trading volume of the main contract of Shanghai Zinc was 158,280 lots, an increase of 48,547 lots; the trading volume of LME Zinc was 10,392 lots, an increase of 1,957 lots [1]. - Open Interest: The open interest of the main contract of Shanghai Zinc was 131,286 lots, a decrease of 10,581 lots; the open interest of LME Zinc was 217,087 lots, an increase of 1,804 lots [1]. - Premium and Discount: The premium of Shanghai 0 zinc was -55 yuan/ton, up 5 yuan/ton; the premium of LME CASH - 3M was 40 dollars/ton, unchanged [1]. - Inventory Changes: The inventory of Shanghai Zinc futures was 56,583 tons, a decrease of 774 tons; the inventory of LME Zinc was 43,800 tons, a decrease of 600 tons [1]. News - The annualized quarterly rate of the US GDP in the second quarter was revised up to 3.8%, the highest in nearly two years. The PCE price index was 2.6%. The upward revision was mainly due to unexpectedly strong consumer spending and a decline in imports, but inflation pressure was more stubborn than previously estimated [2]. Trend Intensity - The trend intensity of zinc is 0, indicating a neutral trend [2][3].