Layoffs are skyrocketing as the coronavirus upends the U.S. economy.The number of Americans filing initial applications for unemployment benefits jumped by 3 million to a record 3.3 million last week, the Labor Department said Thursday, offering the most vivid evidence yet of the coronavirus’ widespread damage to the economy.The total was well above the 1.5 million claims economists had forecast, according to the median estimate of those surveyed by [...]