S&P 500 Sinks 0.37% as Alphabet's 5% Drop Hits Megacap Tech; Dow Gains 148 Pts
The S&P 500 and Nasdaq ended lower on Monday, dragged by a 5% slump in Alphabet amid AI infrastructure spending concerns, while the Dow eked out gains. SpaceX plunged 16.4% after its debt offering, and oil prices fell on progress in US-Iran talks.