Dow drops over 1,000 as outbreak threatens global economy

The Dow Jones Industrial Average slumped more than 1,000 points Monday in the worst day for the stock market in two years as investors worry that the spread of a viral outbreak that began in China will weaken global economic growth.

Traders sought safety in U.S. government bonds, gold and high-dividend stocks like utilities and real estate. The yield on the 10-year Treasury fell to the lowest level in more than three years.

Technology companies, whose supply chains have been disrupted, accounted for much of the broad market slide, which...