The company is reporting weak profits. Shell says it was hit by higher exploration costs and lower oil and gas volumes.
The European Commission is investigating a potential price manipulation scheme among oil companies.
France may be next on the downgrade hit list; analysts say French debt levels are as unsustainable as America's
Street demonstrations outside BP's annual shareholder meeting in London are protesting about the Gulf of Mexico oil spill. But inside the meeting, investors are focusing on Russia — and BP's future there.