Oil ticks above $40 ahead of U.S. GDP data (Reuters)

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Oil ticks above $40 ahead of U.S. GDP data
    (Reuters)

 

<p>You are not allowed to view links. Register or LoginReuters - Oil prices crept above $40 a barrel on Tuesday, supported by short-covering and book-squaring ahead of key U.S. economic data.</p><br clear="all"/>


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