Private-sector employment rose 157,000 in June, according to Automatic Data Processing Inc.’s employment report released Thursday, in what could be a signal that the recent economic soft patch may not last long. The headline number surprised Wall Street, coming in more than double the 70,000 increase expected by economists.With the report typically considered the first stab at counting job gains each month, markets will be watching the ADP data closely because last month’s report accuratel...