 Shares of ManpowerGroup MAN, 0.39 dropped 3.2 in premarket trading Tuesday, after the workforce services company reported third-quarter profit that beat expectations but revenue that came up short, as strong demand and a continued economic recovery was tempered by supply chain constraints and the continued impact of the COVID-19 pandemic. Net income jumped to 97.7 million, or 1.77 a share, from 10.3 million, or 18 cents a share, in the year-ago period. 