The downfall of Jieworui has shone a spotlight on shadow markets that have gained traction amid volatile prices. SHENZHEN: Rare public protests erupted in Shenzhen last month after the collapse of a gold trading platform operated by Jieworui, a company based in the city’s Shuibei district. The firm’s downfall has drawn attention to shadow markets – informal trading arrangements operating outside official exchanges – that have gained popularity amid sharp swings in global gold prices. Analysts