{"index": {"name": "Lumber & Wood Production", "level": "industry", "country_code": "KR", "sector": "Basic Materials", "industry": "Lumber & Wood Production", "constituent_count": 3, "latest": {"week_ending": "2026-05-29", "index_value": 634.77100336, "weekly_return": -8.06791569, "constituents": 3, "advancing": 0, "declining": 3, "unchanged": 0, "trend_line": 789.119187, "activity_lines": {"activity_5": 685.523431, "activity_10": 722.44584, "activity_20": 753.516274, "activity_30": 770.646455}, "fair_value": 903.788174, "trend_signal": 0}, "summary": "For the week ending 29 May 2026, Lumber & Wood Production declined 8.07% with 0 advancing, 3 declining, and 0 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/kr/basic-materials/lumber-wood-production/", "api": "https://sharemaestro.com/api/structure/kr/basic-materials/lumber-wood-production/", "share_image": "https://sharemaestro.com/structure/kr/basic-materials/lumber-wood-production/share-image.svg"}}, 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