NEW YORK
Shares of some top oil companies are up at 10 a.m.:
Chevron rose $.53 or .7 percent, to $78.87.
ConocoPhillips rose $.31 or .6 percent, to $53.89.
Exxon Mobil rose $.42 or .6 percent, to $73.03.
Marathon Oil rose $.15 or .4 percent, to $35.09.