Halliburton and BP may be seeking to shift blame the Deep Horizon accident on each other and save billions. In court, and in the newspapers, they seem at each others' throats. But as leading companies in their industry, they -- and Transocean -- will have to figure out how to get along. Plus, most businesses get hammered by the markets when they fail to meet profit expectations -- even if they’re earning billions. The expectations seem not to hold true of Amazon: Investors seem happy enough to watch it grow and invest with no profits.