https://cdnph.upi.com/ph/st/th/9051781221367/2026/upi_com/6b84f0d8f48674e5cc75aacd9095a7e6/v1.5/Chinas-stronger-yuan-may-pose-economic-risks.jpg" /> China's yuan has risen to its strongest level in more than three years, but the gains could hurt exporters and deepen deflation risks.