Sufyan Sami Shams, Sabir Hamad Mahmood, and Anas Khaleel Mahdi, “The Impact of Pre-Market Prices on Stock Returns and Risks: An Empirical Study of a Number of Technology Companies Listed on the NASDAQ Market”, Tikrit J. Admin. Econ. Sci., vol. 22, no. 74 part 1, pp. 636–655, Jun. 2026.