Wall Street Journal: Welcome to the era of the mega-layoff. In Silicon Valley and beyond, companies that are cutting staff are doing it with a big ax. Instead of laying off people in more incremental—and less disruptive—waves, employers are seizing on the potential financial upsides of severing swaths of their workforces at once.
That is a departure from not long ago, when mass layoffs registered as a sign of trouble or mismanagement and that a company needed to take drastic measures to right its performance…