S&P 500 slipped 0.4% to 7,101.03, Nasdaq fell 0.5% to 24,344.41, and Dow dropped 0.2% to 49,362.99 on Monday.
The decline followed U.S. seizure of Iranian‑flagged cargo vessel M/V Touska, heightening doubts over cease‑fire and peace talks.
Brent crude rose 5.7% to $95.52 and WTI up 5.9% to $87.42 amid supply concerns from Strait of Hormuz disruptions.
Upcoming Q1 earnings from major firms like 3M, Boeing, Tesla and P&G will shift investor focus if geopolitical risk eases.