"The rupiah fall followed the US appreciation driven by improvement in US economic data," Trust Securities` analyst Reza Priyambada said here on Monday.
He said an increase of 1.1 percent in US retail sales, and improved employment data signaled progress toward recovery propping up the US dollar.
Meanwhile the euro weakened after Fitch rating agency downgraded the Italian debt rating to BBB+ (triple B plus) with negative outlook.
Falling value of euro brought down risky currencies of developing nations including rupiah.
"Other negative sentiment was triggered by Italian bond auction falling short of target," he said.
Chief researcher of Monex Investindo Futures, Ariston Tjendra, said euro weakened to follow the bridging loan for Cyprus seen as a threat to financial health of the Euro zone.
"Bail-out decision could end in shrinking foreign exchange reserve of Cyprus and endangering the financial condition of that country itself," Ariston said. (*)
Editor: Heru Purwanto
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