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

Kelly Services Inc. class A fell $.07 or .4 percent, to $15.87.

Korn/Ferry International Inc. rose $.04 or .1 percent, to $29.46.

ManpowerGroup rose $.38 or .5 percent, to $78.27.

Robert Half International Inc. unchanged at $48.65.