Jakarta, Jan. 30 -- Indonesia Stock Exchange (IDX) President Director Iman Rachman announced his resignation on Friday, citing responsibility for recent conditions in the country's capital market.

Speaking to the media in Jakarta, Rachman said his resignation came despite an improvement in market conditions on Friday morning.

The Jakarta Composite Index opened 88.88 points, or 1.08 percent, higher at 8,321.08 on Friday.

However, during the first trading session at 9:26 a.m. local time on Thursday, the benchmark index fell 665.89 points, or 8.00 percent, to 7,654.66, prompting the IDX to temporarily halt trading.

On Wednesday morning, the index had opened down 597.75 points, or 6.66 percent, at 8,382.48.

"Although conditions improved ...