Markets are tumbling after the U.S. stock market plunged on Monday, falling 8.1 percent in the most recent trading session.
The Dow Jones Industrial Average fell more than 800 points, or 1.1%, to 21,000.
The S&P 500 fell about 2.3 percent to 2,859.30.
The Nasdaq fell 1.6 percent to 4,064.20.
The Russell 2000 dropped 0.6% to 8,942.20, and the Russell 1000 index fell 0.7% to 9,068.40.
Investors are also weighing the possibility of another economic slowdown in China, as its economy is expected to shrink for the second straight year.
The world’s second-largest economy is forecast to report a decline in gross domestic product for the first time in three years in the first quarter of 2019.
In response, China is tightening controls on foreign investors, and Beijing is expected this week to begin the process of imposing new capital controls.
China has also been holding back its currency to curb the impact of the fall in the price of oil.
The U.K. stock exchange rose 0.2 percent.
The European Central Bank cut interest rates for the third time this year.