
Flooring Guide by Cinvex – , JAKARTA — The Bisnis-27 Index concluded morning trading on Tuesday, May 26, 2026, in the red zone. This downturn in the Bisnis-27 Index was primarily driven by the poor performance of several key stocks, including INCO, ASII, and AMRT.
According to data from the Indonesia Stock Exchange (IDX), this index, a collaboration with Bisnis Indonesia daily, opened trading at 442.93. Throughout the session, the Bisnis-27 Index fluctuated within a range of 435.90 to 445.23, reflecting a volatile trading environment.
Out of its 27 constituent stocks, only five managed to open higher and enter the green zone, while two stocks remained stagnant. A significant majority of 20 other stocks ultimately parked in the red zone, signaling broad market weakness within the index.
Bisnis-27 Index Opens Weaker as INCO, AMRT, and JPFA Shares Plunge into the Red Zone
Leading the index’s decline was nickel producer PT Vale Indonesia Tbk. (INCO), which saw its shares plummet by 10.68%, or 585 points, to settle at Rp4,890. Following suit, shares of PT Astra International Tbk. (ASII) weakened significantly by 8.48%, closing at Rp5,125 per share.
Other prominent issuers experiencing declines included AMRT, which fell 8.11% to Rp1,190; DEWA, dropping 5.71% to Rp330; and MBMA, which depreciated by 4.03% to Rp476. These declines underscore a challenging period for various sectors represented in the Bisnis-27 Index.
Conversely, a few stocks managed to defy the downward trend and register gains. TLKM shares rose by 5.46% to Rp3,090, CPIN strengthened by 1.82% to Rp4,480, and PTBA shares saw an increase of 1.43%, reaching Rp2,840.
Shifting focus to the broader market, the Jakarta Composite Index (IHSG) also closed weaker today, settling at 6,130.19. The IHSG experienced a 1.23% decline shortly after market opening, contributing to the overall bearish sentiment.
A detailed look at the broader market revealed that 241 stocks advanced, 447 declined, and 133 remained unchanged. The market capitalization for the day was observed at a significant Rp10,640 trillion, reflecting the scale of activity despite the prevalent declines.
Disclaimer: This news article is not intended as an invitation to buy or sell shares. Investment decisions rest solely with the reader. Bisnis.com bears no responsibility for any losses or gains arising from the reader’s investment choices.
Summary
The Bisnis-27 Index concluded trading in the red on May 26, 2026, opening at 442.93 and experiencing significant volatility throughout the session. Broad market weakness was evident as 20 out of its 27 constituent stocks declined, while only five managed to record gains. This downward trend reflected a challenging trading environment for the majority of major issuers within the index.
Significant losses were led by PT Vale Indonesia Tbk. (INCO) with a 10.68% drop, followed by PT Astra International Tbk. (ASII) and AMRT. Despite the overall decline, a few stocks including TLKM and CPIN managed to defy the trend and close in the green zone. The broader Jakarta Composite Index (IHSG) also weakened, closing at 6,130.19 amid a predominantly bearish market sentiment.