BP shares dropped 0.4% to 425.4p after the Deepwater Horizon agreement announcement just before the market close.
But the stock had been higher earlier in the session as investors saw the deal removing some of the uncertainty hanging over the stock since the disaster.
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The Canadian used only ice hooks to scale the frozen cliffs, and says the walls were "unstable" and "unpredictable".
Thousands of Virgin Media customers will lose their email address and emails after part of the broadband company was sold to TalkTalk.