VOLATILITY SPILLOVER EFFECT OF EXCHANGE RATE ON SECTORAL STOCK RETURNS IN NIGERIA. ABUJA JOURNAL OF BUSINESS AND MANAGEMENT, [S. l.], v. 4, n. 2, 2026. DOI: 10.7118/9qb42q05. Disponível em: http://ajbam.com.ng/index.php/ajbam/article/view/234.. Acesso em: 3 jul. 2026.