Oil prices, Target earnings, the new iPhone and more in Morning Squawk

This is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox.Good morning. While the war in Iran continues to unfold, today also brings the first midterm primary elections in the U.S. Here are the races to watch.Stock futures are plunging this morning following a mixed session on Wall Street.Here are five key things investors need to know to start the trading day:1. Day 4A plume of smoke rises after a strike in Tehran, Iran, Monday, March 2, 2026.Mohsen Ganji | APThe U.S ...