Hints and tips:
...Though Mr Santana’s study suggests they might, the experience of South Korea gives less cause for hope....
...Tesoro last week attributed falling margins at Californian refineries to the narrowing spread between WTI and Brent crude but Chevron blamed a wider fall in demand for petrol and overstocked supplies....
...Refiner Tesoro put on 5.9 per cent to $21.30 after Benchmark Company analyst Mark Gilman upgraded the company, and predicted Tesoro will reinstate its 40 cent annual dividend, suspended in 2009....
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