Employers added hundreds of thousands of jobs last month as coronavirus infections ebbed, vaccinations spread and businesses reopened, the government reported Friday. But the labor market’s recovery from the pandemic is proving to be choppy.Hopes that a strong and steady surge of hiring would follow the first wave of vaccinations have so far turned out to be overly optimistic. Job creation in May doubled from the previous month but still fell below most forecasts. And payroll gains, which have bounced up and down this year, may continue their uneven progress through the summer.Several economists said they did …
