LG전자 066570 Picks & Shovels Tier 3 bottleneck 데이터센터 냉각 A2 수급 Z-score (외인·기관) A3 Issue Score (뉴스·텔레그램) B7 Weinstein Stage B8 Earnings Acceleration (CANSLIM CAS) B11 Forensic Gate B12 Quality Compounder B14 SUE + PEAD (분기 발표)