After Rep. Jim Jordan’s line of questioning insinuated that outrage over Postal Service delays last year were calculated to hurt then-President Donald Trump, Rep. Gerald E. Connolly countered that Jordan was “gaslighting.” The heated exchanges came during a House Committee on Oversight and Reform on Wednesday where Postmaster General Louis DeJoy...

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...