{"ticker": {"uuid": "8732c109-e13e-4bfe-8742-6b5ef1e900ec", "symbol": "300620", "name": "Advanced Fiber Resources (Zhuhai), Ltd.", "exchange": "SHZ", "asset_type": "equity"}, "latest_week": "2026-06-12", "summary": "300620 closed the latest completed week at 285.9 CNY. The 4-week return is 5.1% and the 12-week return is 74.7%. Trend Signal is active, Market Dynamics is 1.28.", "description": "Advanced Fiber Resources (Zhuhai), Ltd. designs, manufactures, and sells passive optical components and modulators in China and internationally. The company offers optical isolators and combiners, couplers/splitters, modulators, optical circulators and collimators, filters, in-line polarizers, FBG, photodiodes, isolator hybrid products, PBS/PBC, VOA, metalized fibers, faraday mirrors, Patchcord, optical delay lines, active devices packaging products, module, MEMS, laser cables, and other products. Its products are used in industrial lasers, optical network, data center, fiber sensing, autonomous vehicles, bio-medical equipment, test equipment, and catalog sectors. The company was incorporated in 2000 and is headquartered in Zhuhai, China.", "setup_signature": "Leadership continuation", "composite_score": "70", "kpis": [{"label": "Latest Close", "value": "285.9 CNY", "hint": "2026-06-12"}, {"label": "1W Return", "value": "-10.7%", "tone": "negative", "hint": "latest completed week"}, {"label": "4W Return", "value": "5.1%", "tone": "positive", "hint": "short-term follow-through"}, {"label": "12W Return", "value": "74.7%", "tone": "positive", "hint": "quarterly tape"}, {"label": "Trend Breadth", "value": "84.6%", "hint": "44 of 52 weeks active"}, {"label": "Volume Ratio", "value": "0.9x", "hint": "vs 13-week average"}], "classification": {"exchange": "SHZ", "country": "CN", "sector": "Technology", "industry": "Communication Equipment", "currency": "CNY", "market_cap": "79.7B"}, "price": {"trend_line": "193.1 CNY", "fair_value": "78.28 CNY", "vs_trend": "48.0%", "vs_fair_value": "265.2%", "high_52": "359.7 CNY", "low_52": "42.14 CNY", "drawdown": 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