Flooring Guide by Cinvex — The Jakarta Composite Index (JCI) closed Tuesday’s trading session (April 28, 2026) in the red, settling at 7,072.39. The decline was largely driven by downward pressure from several big-cap stocks, including AMMN, DSSA, and TPIA, amidst what analysts are calling an impact of MSCI rebalancing and constrained foreign fund inflows.
According to data from the Indonesia Stock Exchange (IDX), the JCI fell by 0.48%, or 32.12 points, to finish at 7,072.39. The index opened the session at 7,128.46 and managed to climb to an intraday high of 7,151.50 before the momentum shifted.
Market breadth was relatively balanced, with 339 stocks advancing, 350 declining, and 129 remaining stagnant. Despite the index’s decline, the total market capitalization remained robust at Rp12,617 trillion.
Performance of Big-Cap Stocks
Within the large-cap segment, some stocks managed to defy the broader downward trend. PT Bank Negara Indonesia (Persero) Tbk. (BBNI) climbed 1.88% to close at Rp3,790, followed by PT Pantai Indah Kapuk Dua Tbk. (PANI), which gained 1.18% to reach Rp8,550. Additionally, PT Bank Mandiri (Persero) Tbk. (BMRI) saw a modest increase of 0.68%, ending the day at Rp4,430.
Conversely, the index faced significant drag from heavyweights such as PT Amman Mineral Internasional Tbk. (AMMN), which shed 5.09% to close at Rp5,125, and PT Dian Swastatika Sentosa Tbk. (DSSA), which corrected by 4.34% to Rp1,765. Other notable decliners included PT Chandra Asri Pacific Tbk. (TPIA), down 3.48% at Rp5,550, and PT Unilever Indonesia Tbk. (UNVR), which contracted by 2.30% to Rp1,485.
Top Gainers and Losers
While the broader market struggled, some smaller-cap stocks saw impressive gains. PT Kokoh Exa Nusantara Tbk. (KOCI) surged by 34.82% to Rp151, closely followed by PT Sinergi Inti Andalan Tbk. (ESIP), which rose 34.75% to Rp159 per share.
On the other end of the spectrum, the top losers’ list featured PT Jaya Agra Wattie Tbk. (JAWA), which plummeted 14.56% to Rp176, and PT Mitrabahtera Segara Sejati Tbk. (MBSS), which weakened by 12.81% to finish at Rp2,110.
Technical Outlook
Head of Research at Phintraco Sekuritas, Valdy Kurniawan, noted that the index had already shown signs of weakness during the morning session, dropping 0.15% to 7,095.58. From a technical standpoint, the continued negative histogram of the MACD indicator, combined with the stochastic RSI entering the oversold territory, suggests a cautious outlook.
“We anticipate that the JCI may continue its downward trend, potentially testing the support levels of 7,075 to 7,050 in the upcoming sessions,” he stated in his research report.
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Summary
The Jakarta Composite Index (JCI) declined by 0.48% to close at 7,072.39 on April 28, 2026. This downturn was primarily driven by negative pressure on major stocks, including AMMN, DSSA, and TPIA, as the market navigated challenges related to MSCI rebalancing and limited foreign capital inflows.
Despite the broader index retreat, some large-cap stocks like BBNI, PANI, and BMRI recorded gains. Technical analysts suggest a cautious outlook for the near future, as indicators point toward potential further testing of support levels between 7,075 and 7,050.