Shares fell Thursday in most world markets ahead of a key U.S. inflation report due Friday that might point the way ahead for interest rates.

Hong Kong led the decline, falling more than 2%. U.S. futures also fell, while oil prices rebounded.

Cash-strapped Sri Lanka said Wednesday it had clinched a restructuring deal with a majority of bilateral lenders covering up to $5.8 billion in debt, a key step towards recovery after a 2022 financial crash.

The U.S. Treasury Department said Tuesday it is imposing economic sanctions on 50 people and firms across Hong Kong, the United Arab Emirates and the Marshall Islands that have been acting as a "sprawling shadow banking network" for Iran's military.

Treasury's Office of Foreign Assets Control said the entities and individuals are involved in the sale of Iranian oil and petrochemicals, which have helped Iran's military and government gain illicit access to the international financial system.

A global tax on the super-rich is proposed in a new report that Brazil commissioned for its current presidency of the leading 20 rich and developing nations.

Individuals with more than $1 billion in total assets would be required to pay the equivalent of 2% of their wealth in income tax, according to the proposal in the report by Gabriel Zucman, a French economist who teaches at the Paris School of Economics.

Shares advanced in Europe and Asia on Wednesday after a rebound for Nvidia offset weakness on Wall Street.

Germany's DAX surged 0.8% to 18,482.00 while the CAC 40 in Paris was up 0.1% at 7,672.76. In London, the FTSE 100 gained 0.5% to 8,291.45.

Open markets and green technologies are vital for stabilizing global growth, China's premier said Tuesday, while criticizing trade tensions as he opened a conference in northeastern China.

Premier Li Qiang told political and business leaders attending the World Economic Forum Annual Meeting of the New Champions, also known as the "Summer Davos," that China is on track to attain Beijing's growth target this year of 5%.