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"2026-05-29", "index_value": 62271.25133606, "weekly_return": 6.49521478, "constituents": 6, "advancing": 4, "declining": 2, "unchanged": 0, "trend_line": 62860.788706, "activity_lines": {"activity_5": 59824.396416, "activity_10": 60538.344213, "activity_20": 61324.70995, "activity_30": 62177.210886}, "fair_value": 39783.978708, "trend_signal": 0}, "summary": "For the week ending 29 May 2026, Utilities - Regulated Electric advanced 6.50% with 4 advancing, 2 declining, and 0 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/ar/utilities/utilities-regulated-electric/", "api": "https://sharemaestro.com/api/structure/ar/utilities/utilities-regulated-electric/", "share_image": "https://sharemaestro.com/structure/ar/utilities/utilities-regulated-electric/share-image.svg"}}, {"name": "Utilities - Regulated Gas", "level": "industry", "country_code": "AR", "sector": "Utilities", "industry": "Utilities - Regulated Gas", "constituent_count": 5, "latest": 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Not financial, investment, trading, tax, or legal advice."}