Personel Alih Daya is trading 21.9% down at IDR 107.00; no confirmed company-specific announcement explaining the October 16 move has been identified. - The IHSG fell 1.33% on October 15, with all sectors lower amid broad market weakness; this provides context but does not explain the sharper decline. - INET’s mandatory tender offer was reported earlier, but available information does not link it to the move.