{"index": {"name": "Specialty Chemicals", "level": "industry", "country_code": "CN", "sector": "Basic Materials", "industry": "Specialty Chemicals", "constituent_count": 249, "latest": {"week_ending": "2026-07-17", "index_value": 1721.64222638, "weekly_return": -9.7923691, "constituents": 248, "advancing": 38, "declining": 209, "unchanged": 1, "trend_line": 1965.556158, "activity_lines": {"activity_5": 1901.055, "activity_10": 1956.395614, "activity_20": 1982.345969, "activity_30": 1982.304621}, "fair_value": 1455.275186, "trend_signal": 0}, "summary": "For the week ending 17 July 2026, Specialty Chemicals declined 9.79% with 38 advancing, 209 declining, and 1 unchanged constituents.", "links": {"chart": "https://sharemaestro.com/structure/cn/basic-materials/specialty-chemicals/", "api": "https://sharemaestro.com/api/structure/cn/basic-materials/specialty-chemicals/", "share_image": "https://sharemaestro.com/structure/cn/basic-materials/specialty-chemicals/share-image.svg"}}, 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Not financial, investment, trading, tax, or legal advice."}