{"index": {"name": "Oil & Gas Refining & Marketing", "level": "industry", "country_code": "HK", "sector": "Energy", "industry": "Oil & Gas Refining & Marketing", "constituent_count": 13, "latest": {"week_ending": "2026-05-29", "index_value": 862.8772798, "weekly_return": -5.66035276, "constituents": 13, "advancing": 1, "declining": 11, "unchanged": 1, "trend_line": 920.660758, "activity_lines": {"activity_5": 891.494938, "activity_10": 896.216606, "activity_20": 913.909657, "activity_30": 918.789096}, "fair_value": 777.662242, "trend_signal": 0}, "summary": "For the week ending 29 May 2026, Oil & Gas Refining & Marketing declined 5.66% with 1 advancing, 11 declining, and 1 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/hk/energy/oil-gas-refining-marketing/", "api": "https://sharemaestro.com/api/structure/hk/energy/oil-gas-refining-marketing/", "share_image": "https://sharemaestro.com/structure/hk/energy/oil-gas-refining-marketing/share-image.svg"}}, 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