Sikap pelaku itu terutama disebabkan melemahnya harga minyak mentah dunia hingga di kisaran 135 dolar AS per barel, sehingga mendorong dolar AS di pasar global menguat, kata pengamat pasar uang Edwin Sinaga di Jakarta, Kamis.
The investors' stand followed a recent fall in global crude prices to US$135 a barrel causing the dollar to strengthen in the global market, Edwin Sinaga said on Thursday.