Saudi brokers monitor Aramco debut on the Saudi stock exchange Saudi brokers monitor the stock market and Aramco debut at the Arab National Bank in the Saudi capital Riyadh. \\nSaudi Aramco's shares soared on their debut on the domestic stock exchange Wednesday, becoming the world's biggest listed company worth $1.88 trillion after a record-breaking IPO. Aramco had priced the initial public offering at 32 riyals ($8.53) per share, raising $25.6 billion and eclipsing Alibaba's $25 billion IPO of 2014 to become the world's largest. IMAGES AND SOUNDBITES