Saudi Arabia's minister of energy Prince Abdulaziz bin Salman arrives at the OPEC headquarters in Vienna, Austria December 5, 2019. REUTERS/Leonhard Foeger
Saudi Arabia's minister of energy Prince Abdulaziz bin Salman arrives at the OPEC headquarters in Vienna, Austria December 5, 2019. REUTERS/Leonhard Foeger

The worst is over for oil markets, Saudi Arabia’s energy minister says