Saudi Aramco Trades Up $180 Billion to $1.88 Trillion

Saudi Aramco opens up $180 billion from its $1.7 trillion IPO price.

The petroleum sector provides 87% of Saudi budget revenues, 90% of export earnings, and 42% of GDP.

Apple is the second largest publicly traded company at $1.20 trillion in valuation and Microsoft is at $1.16 trillion.