Saudi Aramco briefly reached a valuation of $2 trillion on its second day of trading on Thursday, a target long sought by Saudi Crown Prince Mohammed bin Salman, before slipping a bit lower by the end of the session.

Aramco shares reached 38.7 riyals, or about $10.32, a price that lifted its market value above $2 trillion, but closed at 36.8 riyals, a rise of 4.5 percent from Wednesday’s close, valuing the company at $1.96 trillion, Refinitiv data showed.

Aramco’s initial public offering, trading on the Tadawul stock exchange in Riyadh, is the centerpiece of the Saudi crown prince’s vision for diversifying the kingdom away from its oil dependence by using the $25.6 billion raised to develop other industries.

But that amount is well below his 2016 plan to raise as much as $100 billion via a blockbuster international and domestic stock offering for Aramco.