EFEK INFORMASI AKUISISI TERHADAP HARGA SAHAM, RETURN SAHAM, ABNORMAL RETURN, DAN TRADING VOLUME ACTIVITY PT. PETRINDO JAYA KREASI TBK TAHUN 2023. Volatilitas Jurnal Manajemen dan Bisnis, [S. l.], v. 7, n. 1, 2025. DOI: 10.37729/volatilitas.v7i1.6120. Disponível em: https://jurnal.umpwr.ac.id/index.php/volatilitas/article/view/6120. Acesso em: 1 sep. 2026.