China is building a global network of gold vaults and accelerating central bank reserve buying as part of efforts to promote the yuan’s role in international trade, according to an S&P Global Ratings report on Tuesday. Chinese gold miners, such as the mainland’s largest gold processor Zijin Mining, and Shandong Gold Mining, were also expected to expand “faster than most of their global peers” after Beijing reclassified gold from financial asset to “strategic mineral” in 2025, the report...