Shares of some top oil companies are up at 1 p.m.:

BP PLC rose $.67 or 1.4 percent, to $47.87.

Chevron rose $.69 or .5 percent, to $128.23.

ConocoPhillips rose $1.05 or 1.3 percent, to $81.27.

Exxon Mobil Corp. rose $.85 or .9 percent, to $99.34.

Marathon Oil Corp. rose $.45 or 1.1 percent, to $41.47.