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

Kelly Services Inc. class A rose $.02 or .1 percent, to $16.73.

Korn/Ferry International Inc. rose $.39 or 1.3 percent, to $30.64.

ManpowerGroup rose $.87 or 1.1 percent, to $78.45.

Robert Half International Inc. rose $.45 or .9 percent, to $50.66.