Shares of some top staffing companies were down at the close of trading:
Kelly Services fell $.78 or 4.0 percent, to $18.94.
Korn Ferry fell $.41 or 2.3 percent, to $17.72.
Manpower fell $1.50 or 3.1 percent, to $47.47.
Robert Half fell $1.15 or 4.4 percent, to $24.96.