By Liz Moyer
Investing.com - U.S. stocks fell at the open on Tuesday as Russian forces moved in on the Ukraine capital of Kyiv and oil prices surged.
The S&P 500 fell 0.4% as of 9:55 AM ET, while the Dow Jones Industrial Average slipped 0.7% and NASDAQ Composite fell 0.3%. West Texas Intermediate, the U.S. benchmark oil price, rose 6%, to $101.35 a barrel.
Reuters reported that a Russian armored column bore down on Kyiv, while Russia's defense minister said Moscow will continue its military operation in Ukraine until it achieves its goals.
--This is a developing story. Check back here for more details.