メディケア・アドバンテージの締切が迫る中、ユナイテッドヘルス株は引け後も下落拡大
UnitedHealth Group shares fell 2.6% to $273.95 in after-hours trading Tuesday, extending a two-day drop of about 5.5%. T
AI株熱狂：テスラの165億ドル半導体契約とOpenAIの400億ドル賭けが市場を動かす
Tesla and Samsung signed a $16.5 billion deal for next-generation AI6 self-driving chips to be made at Samsung’s Texas p
AI株が急騰、CEO交代や4兆ドル到達・ビッグテックの賭けがウォール街を驚かす
C3.ai shares fell 11% Thursday after CEO Thomas Siebel announced plans to step down for health reasons, though he remain
AI株熱狂：テック大手の好決算が記録的なラリーを牽引、ウォール街はAIに大きく賭ける
Alphabet will raise 2025 AI-related capital spending by $10 billion to $85 billion after strong Q2 profit and cloud reve