{"ticker": {"uuid": "855abfae-f8fe-4dd5-8eb5-45adb8cbb8be", "symbol": "300851", "name": "Beijing Jiaoda Signal Technology Co., Ltd.", "exchange": "SHZ", "asset_type": "equity"}, "latest_week": "2026-06-12", "summary": "300851 closed the latest completed week at 24.66 CNY. The 4-week return is -22.1% and the 12-week return is -14.7%. Trend Signal is inactive, Market Dynamics is -0.57.", "description": "Beijing Jiaoda Signal Technology Co., Ltd. engages in research and development, design, production, sales, and technical support of key equipment for rail transit train operation control systems in China. The company offers locomotive signal CPU components, transponder systems, and track circuit readers. It also provides locomotive signal on-board system equipment; track circuit reader; early warning system, BTM inventory inspection system, transponder system fault warning platform, locomotive signal vehicle-ground integration analysis system, and intelligent check management system of column control data; and educational training and simulation systems. In addition, the company is involved in manufacturing of accessories; technical services; transfer and development of technology; application software services; software development; and computer system services. Its products are used in railway, urban transit, and other projects. The company was founded in 2001 and is based in Beijing, China.", "setup_signature": "Risk-first tape", "composite_score": "20", "kpis": [{"label": "Latest Close", "value": "24.66 CNY", "hint": "2026-06-12"}, {"label": "1W Return", "value": "-5.4%", "tone": "negative", "hint": "latest completed week"}, {"label": "4W Return", "value": "-22.1%", "tone": "negative", "hint": "short-term follow-through"}, {"label": "12W Return", "value": "-14.7%", "tone": "negative", "hint": "quarterly tape"}, {"label": "Trend Breadth", "value": "65.4%", "hint": "34 of 52 weeks active"}, {"label": "Volume Ratio", "value": "1.1x", "hint": "vs 13-week average"}], "classification": {"exchange": "SHZ", "country": "CN", "sector": "Industrials", "industry": "Railroads", "currency": "CNY", "market_cap": "2.3B"}, "price": {"trend_line": "28.39 CNY", "fair_value": "26.22 CNY", "vs_trend": "-13.1%", "vs_fair_value": "-5.9%", "high_52": "37.99 CNY", "low_52": "23.85 CNY", "drawdown": "-35.1%", "range_position": 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