Midday Need to Know: Rivian Falls, Trump Revives Greenland Bid And

The stock market opened mostly lower on Tuesday, with the tech-heavy Nasdaq taking the biggest hit as investors reassessed AI valuations, while the 30-stock Dow briefly hit a fresh record high.

The S&P 500 (SP500) -0.6%, the Dow ( The stock market opened mostly lower on Tuesday, with the tech-heavy Nasdaq taking the biggest hit as investors reassessed AI valuations, while the 30-stock Dow briefly hit a fresh record high

The S&P 500 (SP500) -0.6%, the Dow (