The first U.S. layoffs from the coronavirus are here

The coronavirus outbreak is taking a deep toll on the U.S. economy, prompting hundreds of layoffs over the past week alone and halting a historic 11-year bull market in stocks.

Strong job growth and soaring financial markets have fueled the U.S. economic expansion over the past decade. Now the rapid market decline and initial layoffs are heightening fears that the longest economic expansion in U.S. history could come to a sudden end, just a month after unemployment stood at a half-century low.

The Dow Jones industrial average lost 1,465 points,...