Yudong Wang is a Professor at the School of Economics and Management, Nanjing University of Science and Technology. He is interested in the area of energy finance and financial forecasting. He has published more than 100 papers in financial and forecasting journals including Management Science, Journal of Financial Markets, Journal of Banking and Finance. He is an Associate Editor for Journal of Forecasting. He is selected as 2019-2021 Elsevier “Chinese highly cited scholar”. Yaojie Zhang is an Associate Professor at the School of Economics and Management, Nanjing University of Science and Technology. His research interests include financial forecasting and energy finance. He has published more than 80 papers in the Journal of Empirical Finance, International Journal of Forecasting, Energy Economics, and many others. He is an Associate Editor for Bulletin of Economic Research and a Young Editorial Board Member for China Finance Review International.