RIYADH: Saudi-based mining firm Amak is the Kingdom main stock exchange’s sixth listing this year. Amak will start trading its shares on the Saudi stock exchange on March 29 in according to a bourse filing. In its initial public offering, the firm saw strong demand from institutional and retail investors, generating SR95.8 billion ($22.9 billion) worth of orders collectively. The initial share sale came at a time when the Kingdom is revamping its mining sector to attract more private investors. Amak, formally known as Al Masane Al Kobra Mining Co., mines for copper, zinc, gold, and other metals.