{"ticker": {"uuid": "bac9a9ef-e448-41a4-a4fd-a724c0ba8155", "symbol": "300623", "name": "Jiangsu JieJie Microelectronics Co., Ltd.", "exchange": "SHZ", "asset_type": "equity"}, "latest_week": "2026-06-12", "summary": "300623 closed the latest completed week at 31.80 CNY. The 4-week return is 2.7% and the 12-week return is 11.2%. Trend Signal is active, Market Dynamics is 0.68.", "description": "Jiangsu JieJie Microelectronics Co., Ltd. engages in the research and development, design, production, and sale of power semiconductor chips and devices in China and internationally. It offers uni-directional and bi-directional thyristors; transient voltage and thyristor surge suppresso, TVS diode array, sidac, zener and small switching diodes, small signal transistor, varistor, and ceramic gas discharge tube; and automotive, low and medium-voltage, and high-voltage MOSFETs. The company also provides rectifier diodes and bridge rectifier; power modules and components; opto-coupler; power IC; and IGBT products. Its products are used in fast charger, electric vehicle charging, switched-mode power supply, BLDC and PMSM motor drive, photovoltaic inverter, air conditioners, washing machine, leakage protective devices, automotive electronics, consumer electronics, and battery management system applications. The company was founded in 1995 and is headquartered in Qidong, China.", "setup_signature": "Balanced read", "composite_score": "50", "kpis": [{"label": "Latest Close", "value": "31.80 CNY", "hint": "2026-06-12"}, {"label": "1W Return", "value": "-4.4%", "tone": "negative", "hint": "latest completed week"}, {"label": "4W Return", "value": "2.7%", "tone": "positive", "hint": "short-term follow-through"}, {"label": "12W Return", "value": "11.2%", "tone": "positive", "hint": "quarterly tape"}, {"label": "Trend Breadth", "value": "19.2%", "hint": "10 of 52 weeks active"}, {"label": "Volume Ratio", "value": "1.2x", "hint": "vs 13-week average"}], "classification": {"exchange": "SHZ", "country": "CN", "sector": "Technology", "industry": "Semiconductor Equipment & Materials", "currency": "CNY", "market_cap": "27.1B"}, "price": {"trend_line": "29.88 CNY", "fair_value": "25.10 CNY", "vs_trend": "6.4%", "vs_fair_value": "26.7%", "high_52": "38.65 CNY", "low_52": "25.78 CNY", "drawdown": 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