This study attempts to discover the nexus between crude oil price fluctuation after heavy oil upgrading and stock returns of petroleum companies in the U.S. Stock Exchange for the years 2008 to 2018. One of the methods of upgrading heavy crude oil is to extract asphaltene from crude oil....

The present study examines the effects of oil price on white precious metal returns by using quantile-on-quantile regression proposed by Sim and Zhou (2015). In this study, we mainly focus on the returns of three white precious metals, which include palladium, silver, and platinum. The study is...