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

Kelly Services Inc. class A rose $.09 or .6 percent, to $16.03.

Korn/Ferry International Inc. rose $.42 or 1.4 percent, to $30.00.

ManpowerGroup rose $1.26 or 1.7 percent, to $76.87.

Robert Half International Inc. rose $.74 or 1.5 percent, to $49.72.