FILE PHOTO: Saudi Minister of Finance Mohammed al-Jadaan speaks during the Euromoney Saudi Arabia Conference 2017 in Riyadh, Saudi Arabia May 2, 2017. REUTERS/Faisal Al Nasser

DAVOS, Switzerland (Reuters) - Investors have put a record amount of money into the Saudi stock market in recent weeks as they realize that a crackdown on corruption is positive for the economy, Saudi finance minister Mohammed Al-Jadaan said on Thursday.