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

Kelly Services Inc. class A fell $.02 or .1 percent, to $15.66.

Korn/Ferry International Inc. rose $.09 or .3 percent, to $29.43.

ManpowerGroup rose $.52 or .7 percent, to $77.10.

Robert Half International Inc. rose $.25 or .5 percent, to $49.73.