The Indonesian Stock Exchange Composite Index (IHSG) experienced a significant increase at market open on Monday, June 15, 2026, rising by 1.85% to reach 6,118. The surge indicates a positive start to the trading week. The majority of stocks listed on the exchange also showed gains, reflecting overall market optimism. This positive movement follows [information missing from original text - context of previous market performance would be included here if available]. Analysts are currently assessing the factors driving this initial rally. Further market developments will be monitored throughout the trading day. The strong opening suggests potential investor confidence in the Indonesian economy.