Penny stocks crash

Failed appeal leaves penny stock crash masterminds John Soh and Quah Su-Ling with long jail terms

John Soh Chee Wen (left) and Quah Su-Ling were convicted of a record 349 successful charges in total in December, 2022.

Singapore stocks edge lower as tariff concerns weigh on investor sentiment; STI down 0.1%

The STI fell 0.1 per cent or 4.3 points to 3,708.09 with gainers outpacing losers 265 to 215 on trade of 957.4 million securities worth $1.1 billion.

Scheme behind 2013 penny stock crash was elaborate and highly exploitative: High Court

A sketch of the mastermind John Soh Chee Wen at a hearing on May 11, 2021.

Penny stock crash mastermind John Soh gets 36 years’ jail, Quah Su-Ling sentenced to 20 years

John Soh and Quah Su-Ling masterminded Singapore’s biggest case of stock market manipulation that wiped out nearly $8 billion in market value in October 2013.

Prosecutors seek 40-year jail sentence for penny stock crash mastermind, 19½ years for ex-girlfriend

John Soh Chee Wen and his ex-girlfriend Quah Su-Ling were convicted of all 10 market manipulation charges brought against them.

Quah denied her role to the bitter end

Commentary

What can be done to avoid repeat of 2013's penny stock crash

Penny stock crash trial

Alleged mastermind takes stand but co-accused chooses not to testify

Couple linked to $8 billion penny stock crash in 2013 back in court

Penny stock crash: Accused duo fail in bid to stay criminal proceedings

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MDDI (P) 046/10/2025. Published by SPH Media Limited, Co. Regn. No.202120748H. Copyright © 2026 SPH Media Limited. All rights reserved.