NEW YORK (AP) - Shares of some top oil companies were mixed at the close of trading:
Chevron rose $.17 or .2 percent, to $78.51.
ConocoPhillips fell $.42 or .8 percent, to $53.16.
Exxon Mobil rose $.30 or .4 percent, to $72.91.
Marathon Oil rose $.02 or .1 percent, to $34.96.






















