U.S. job openings were essentially unchanged at 6.9 million, another sign the American labor remained sluggish even before the full impact of the Iran war hit the economy. The job market has been up and down so far this year after a dismal 2025. And the Iran war has clouded the outlook for the economy and hiring. The Job Openings and Labor Turnover Survey showed that layoffs rose in March. But hiring improved, and more people quit their jobs — a sign of confidence in the economy. Job openings have come down more or less steadily since peaking at a record 12.3 million in March 2022 as the U.S. economy bounded back from COVID-19 lockdowns. High interest rates, a response to an outburst of inflation in 2021-2022; uncertainty over President Donald Trump’s policies; and, potentially, the disruptive impact of artificial intelligence have discouraged robust hiring. Last year, employers added fewer than 10,000 jobs a month, weakest hiring outside a recession since 2002.…