Asian stocks are trading mixed and the US index futures are in red region on geopolitical tensions.
As of writing, the futures on the S&P 500 are down 0.5%.
Australian and Chinese stocks are reporting marginal gains.
Hong Kong's Hang Seng index is down 1%.
Yemen's Houthi rebel group on Saturday attacked Saudi Aramco's crude facilities, knocking out more than 5% of global oil supplies.
So oil prices closed to 20% in the early Asian trading hours.
Markets are now worried that the production outage may last more than six weeks and prices could rise as high as $75 or even $80, that could push up inflation across the globe and influenced on central banks’ decisions to counter the economic slowdown.
The US officials told reporters on Sunday that Tehran was behind the attack.
Weak China data and fears of the US-EU trade war could bolster the bearish pressures around the European equities.