{"index": {"name": "Pollution & Treatment Controls", "level": "industry", "sector": "Industrials", "industry": "Pollution & Treatment Controls", "constituents": 112, "countries": 21, "exchanges": 23, "latest": {"week_ending": "2026-05-29", "index_value": 1115.52491071, "weekly_return": -0.55979566, "constituents": 110, "advancing": 45, "declining": 57, "unchanged": 8, "countries": 20, "exchanges": 22, "trend_line": 1075.719185, "activity_lines": {"activity_5": 1121.046234, "activity_10": 1110.589864, "activity_20": 1093.642748, "activity_30": 1086.678818}, "fair_value": 950.67493, "trend_signal": 1, "rate_of_change": 0.15790002}, "summary": "For the week ending 29 May 2026, Pollution & Treatment Controls declined 0.56% with 45 advancing, 57 declining, and 8 unchanged constituents.", "links": {"page": "https://sharemaestro.com/global/sectors/industrials/pollution-treatment-controls/", "api": "https://sharemaestro.com/api/global/sectors/industrials/pollution-treatment-controls/", 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Not financial, investment, trading, tax, or legal advice."}