Markets in Asia opened lower early Friday while oil prices surged after Israel attacked Iran's capital amid the ramping up tensions over Tehran's rapidly advancing nuclear program.

Financial markets welcomed a U.S. court ruling that blocks President Trump from imposing sweeping tariffs on imports under an emergency-powers law.

The Dow Jones slumped over 600 points as financial troubles at property developer China Evergrande Group became the latest in a growing list of concerns for Wall Street.