US stocks fall again as Russian invasion threat continues

The Dow (Market watchers are nervous about what a military conflict between Russia and Ukraine could mean for oil prices and the global economy, especially if the United States and major economies in Europe become involved.Investors detest uncertainty. A full-blown invasion of Ukraine would trigger a knee-jerk selloff in stocks as businesses confront the possibility of an oil shock, higher inflation and a sanctions regime.A prolonged market downturn would wipe out wealth built up by families in the stock market and in retirement accounts. Market instability could also dent confidence among consumers and businesses.-— Paul R. La Monica, Charles Riley and Matt Egan contributed to this report.