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Investors unleashed their coronavirus fears Wednesday, sending U.S. markets into a tailspin.

Nearly every asset class — stocks, bonds, gold, oil — came under siege as investors fled to the safety of cash. The weeks-long panic has hollowed out a big chunk of the stock gains from the bull market and erased virtually all of the equity advances under the Trump presidency.

Nothing was spared. Oil prices looked like they were reliving the 1970s, dropping 24 percent to near $20 per barrel for the commodity’s third-biggest rout in history. All 11 Standard & Poor’s sectors were in the red. The day’s poorest performers were in the travel and tourism sphere: Marriott down 34 percent. United Airlines, 33 percent. MGM Resorts, 30 percent. Alaska Air, 32 percent.

The Dow Jones industrial average fell more than 1,334 points, about 6.3 percent. The blue-chip index plunged 2,300 at the bottom of its day.

The Standard & Poor’s 500 index, which Thursday will mark one month since its all-time high, fell nearly 5.2 percent. The broad index triggered a halt in trading earlier in the day after a 7 percent decline. After trading resumed, markets plunged White House plans to bail out embattled industries and cut checks to Americans failed to quell investor fears about the devastating economic impact of the coronavirus. The tech-heavy Nasdaq sank 4.7 percent.