Last but not least, the Indonesian rupiah exchange rate appreciated on today's trading day although Bank Indonesia's mid rate only showed a small improvement as it was set before market participants could respond to the economic data that was released by Statistics Indonesia.

The IHSG rose 1.54 percent to 4,321.98 points.

Further Reading:

Indonesia's Rupiah Gains on Trade Surplus and China Manufacturing Data
Analysis of the Indonesian Rupiah Exchange Rate in November 2013
Indonesian Rupiah Exchange Rate