Saudi Arabia’s national oil company Aramco started trading on Wednesday in the country’s stock exchange Tadawul with the symbol 2222, and immediately posted a 10% gain in its share price, according to official data Wednesday.

After three years of delays, Saudi Aramco finally held its initial public offering (IPO) last week and raised a record $25.59 billion to surpass Chinese e-commerce giant Alibaba’s IPO in 2014 in the New York Stock Exchange which raised $21.8 billion in a single day.

Saudi Aramco had offered 1.5% of its shares by issuing a total of 3 billion shares. The final offer

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