Employment growth at US companies last month exceeded all projections, highlighting a durable labor market that continues to buttress the economy. Private payrolls increased 278,000 following a revised 291,000 gain in April, according to figures published Thursday by the ADP Research Institute in collaboration with Stanford Digital Economy Lab. The median estimate in a Bloomberg survey of economists called for an increase of 170,000. The increase in May hiring was led by leisure and hospitality, while mining, construction and trade and transportation also added to headcount. The gains were concentrated in companies ... (full story)