Budinský, Petr, and Alexander Hütteroth. “Correlation of European and U.S. Technology and Financial Stocks During COVID-19 Pandemic”. International Journal of Applied Research in Management and Economics 6, no. 4 (December 12, 2023): 1–20. Accessed October 12, 2025. https://www.dpublication.com/journal/IJARME/article/view/1134.