Defense contractor Oshkosh Truck Corp. won a 10-year contract to build next-generation delivery vehicles (NGDVs) for the U.S. Postal Service, beating out electric delivery van maker Workhorse Group Inc. Day traders had driven Workhorse shares to record levels in recent months, anticipating that at least a piece of the multibillion-dollar contract...

A former labor leader and Obama administration official was elected Tuesday to serve as chair of the U.S. Postal Service Board of Governors, marking the first step in a potential shakeup under President Joe Biden. Ron Bloom replaced a former Republican National Committee chair, Robert “Mike” Duncan, who remains on the...