These 12 Stocks Show Unusual Activity Amid Recent JCI Slump
Jakarta, CNBC Indonesia - The Indonesia Stock Exchange (IDX) has placed a dozen stocks under its monitoring radar due to unusual market activity (UMA) observed on 8 June 2026.
The stocks identified include PT Mitra Energi Persada Tbk. (KOPI), PT Ingria Pratama Capitalindo Tbk. (GRIA), PT Fortune Indonesia Tbk. (FORU), PT Sinergi Inti Andalan Prima Tbk. (INET), PT Citra Borneo Utama Tbk. (CBUT), PT Soechi Lines Tbk. (SOCI), PT Lupromax Pelumas Indonesia Tbk. (LMAX), PT RMK Energy Tbk. (RMKE), PT First Media Tbk. (KBLV), PT Kedoya Adyaraya Tbk. (RSGK), PT Techno9 Indonesia Tbk. (NINE), and PT Sentul City Tbk. (BKSL).
In its announcement, the IDX noted that KOPI, INET, CBUT, SOCI, LMAX, RMKE, KBLV, RSGK, NINE, and BKSL all experienced unusual price decreases. Over the past week, these stocks saw corrections of 26.67%, 29.91%, 29.41%, 26.42%, 32.74%, 38.26%, 34.09%, 29.78%, 38.89%, and 23.29%, respectively.
Conversely, GRIA and FORU were flagged for unusual price increases, with both stocks surging by 23.14% and 33.93% over the last week.
In relation to this unusual market activity, the IDX stated that it is currently monitoring the development of transaction patterns for these stocks. “The UMA announcement does not immediately indicate any violation of capital market laws and regulations,” the IDX management stated in a release, as quoted on Tuesday (9/6/2026).
Consequently, investors are advised to: a. Pay attention to the responses from listed companies regarding the Exchange’s requests for confirmation; b. Closely monitor the performance and information disclosure of listed companies; c. Re-evaluate planned corporate actions of listed companies if they have not yet received approval from a General Meeting of Shareholders (RUPS); and d. Consider various potential future developments before making investment decisions. All information disclosures regarding issuers are published via the Exchange’s website (www.idx.co.id).
As previously reported, the Jakarta Composite Index (IHSG) fell by more than 4% in yesterday’s trading, causing many stocks to plummet. However, at the start of today’s trading, the IHSG regained momentum and has strengthened by 1.5%.