Fu, Weilin, Zhuoran Li, Yupeng Zhang, and Xingyou Zhou. “Time Series Analysis in American Stock Market Recovering in Post COVID-19 Pandemic Period”. Account and Financial Management Journal 8, no. 2 (February 21, 2023): 3081–3086. Accessed September 28, 2026. http://www.everant.org/index.php/afmjh/article/view/827.