Convictions and Sentences Upheld for Masterminds Behind Singapore’s Largest Stock Market Manipulation

Summary

9 April 2026… On 18 March 2026, the Court of Appeal (CA) upheld the sentences of 36 and 20 years’ imprisonment meted out to Mr Soh Chee Wen (also known as John Soh) and Ms Quah Su-Ling respectively for orchestrating an elaborate scheme to manipulate the shares of Blumont Group Ltd, Asiasons Capital Ltd and LionGold Corp Ltd, the largest market manipulation case in Singapore’s history. In October 2025, the CA had dismissed of their appeals against their convictions.