Stock market today: Dow surges 550 points, S&P 500, Nasdaq jump as Trump backs off Greenland tariff threats

European officials suspend US trade agreement amid tariff dispute over Greenland

Trump backs down on Greenland and cancels tariff threat after NATO agrees to future Arctic deal

This electronics maker crushed earnings. It’s one of the S&P 500’s top stocks today.

The NYSE's big tokenization plan is nothing but vaporware says a Columbia business professor

MRNA is S&P 500’s top performing stock, here are the best Quant pharma companies