Stocks, bonds and commodities fell Wednesday in a simultaneous selloff as investors scrambled to raise cash to buffet themselves against the widening economic damage caused by the coronavirus pandemic.

The Dow Jones Industrial Average closed below 20000 for the first time since early 2017, the yield on the one-month U.S. Treasury bill briefly turned negative for the first time in almost five years, and oil prices tumbled to the lowest level since 2002.

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