Japan Technology: IT Services - Sector investment strategy/overseas earnings: Focus on 4 major system integrators' MTPs; earnings outlook solid even with AI disruption人工智能/ChatGPT/AIGC/生成式AI信息技术/信息服务日本启示录/日本经济/以日为鉴科技越南/印度/日本Goldman Sachs2026-06-1141 页