According to CNBC, Sweetgreen shares fell in extended trading after the salad chain cut its full-year outlook, saying concerns around a cyclospora outbreak hurt sales. The newsletter also said stock futures were higher Friday after a down day, while investors awaited July nonfarm payrolls data due at 8:30 a.m. ET, with Dow Jones expectations calling for 83,000 jobs added and an unemployment rate of 4.2%.