Canada dollar weaker over Greece uncertainty

TORONTO (Reuters) - The Canadian dollar was slightly weaker against the U.S. currency on Tuesday in choppy trade, with uncertainty over aid to Greece hurting the value of riskier assets. European countries deliberating on the payment of delayed loans to Greece could decide to bundle several tranches together in a single transfer of roughly 44 billion euros, a German government source said. The news lifted the euro, but investors remained concerned as Greece's international lenders clashed over the time frame Athens needs to bring its debt down. ...

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