Staffing companies shares up at 10 a.m.

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

Kelly Services Inc. class A rose $.20 or 1.2 percent, to $17.42.

Korn/Ferry International Inc. rose $.36 or 1.1 percent, to $32.48.

ManpowerGroup rose $.43 or .5 percent, to $83.76.

Robert Half International Inc. rose $.58 or 1.0 percent, to $59.30.