Harta Djaya Karya is trading at IDR 159.00, up 7.43%, with no confirmed explanation for the October 12, 2026 move. - The repayment of debt to BCA was announced October 5; coverage said it would reduce financing costs and repayment risk, but it is prior news, not a confirmed catalyst for this move. - Available reporting does not establish that the broader market drove the gain, so the reason for the sharp rise remains unclear.