Britain's decision to leave the European Union caused the value of the British pound to plummet and gave Wall Street its worst day in 10 months on Friday.
A massive sell-off caused the S&P 500 to lose all its gains for 2016, making it negative for the year to date, with only high-dividend-paying utilities ending Friday's trading profitably.
Market watchers expect sales to take a while to stabilize, and suggest that this turn of events will confirm the Federal Reserve's decision to hold off on an interest rate hike for the time being.