Staffing companies shares mixed at 10 a.m.

Shares of some top staffing companies are mixed at 10 a.m.:

Kelly Services Inc. class A rose $.09 or .5 percent, to $17.44.

Korn/Ferry International Inc. fell $.05 or .2 percent, to $32.79.

ManpowerGroup fell $.14 or .2 percent, to $84.45.

Robert Half International Inc. rose $.35 or .6 percent, to $59.85.