What is Saudi Aramco? | CNBC Explains

It’s the biggest oil company in the world and it’s set to have the largest IPO in history - so what exactly is Saudi Aramco and why does its success mean so much to the Saudi kingdom? CNBC’s Tom Chitty explains. ----- Subscribe to us on YouTube: Subscribe to CNBC Life on YouTube: Like our Facebook page: Follow us on Instagram: Follow us on Twitter: