Oil Edges Higher After Four-Day Retreat as Traders Look to China
Oil tapped a fresh one-year low, finishing a volatile trading session where supply concerns following a pipeline outage sent prices soaring.
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### Instruction: Oil Edges Higher After Four-Day Retreat as Traders Look to China

### Response: Oil tapped a fresh one-year low, finishing a volatile trading session where supply concerns following a pipeline outage sent prices soaring.