Energetic Disagreements on Oil

Four experts weigh in on where heated prices are headed. They agree on OPEC's lack of market influence -- but little else

With crude-oil prices hovering near $60 a barrel since June 17 and around $50 a barrel off and on since February, oil and energy have been the favorite sons of many a stock-picker. But the question that keeps those successful investors awake at night is: How much longer can it last?

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