01strategy2013–2023
Yanjiyou expanded on flagship stores built to be destinations. COVID crushed traffic, and the flagships that built the brand became the debt that sank it.
Read the case ↗02tech2001-2012
Ireland bought thousands of Nedap e-voting machines before anyone certified them, used them in one election, and scrapped the lot at scrap value.
Read the case ↗03trading2007–2008
Howie Hubler shorted $2B in subprime correctly, then sold insurance on $16B in AAA CDOs with the same mortgages — losing $9B, the largest ever at the time.
Read the case ↗04advertising2017
In four days Netflix cut Kevin Spacey from House of Cards and shelved a finished film; its next earnings disclosed a $39M charge.
Read the case ↗05engineering2010
An overheating European data center forced Wikipedia to fail over to Florida; the switch broke DNS resolution for every Wikimedia project worldwide.
Read the case ↗06finance2015–2026
A ceramics-and-property shell renamed itself after P2P, added 101% in 21 days, and got its controller China's biggest-ever securities fine — ¥3.47 billion.
Read the case ↗07legal2013–2025
Korek's chair corrupted Iraq's telecom regulator into voiding Orange and Agility's $810M stake; an ICC tribunal found the bribery and charged $1.65B.
Read the case ↗08marketing2022
Watsons China oversold a 1-cent mask sale, and when buyers asked why on its livestream, the host compared them to mad dogs and bragged about kicking them out.
Read the case ↗09people2010–2026
Takahiro Miyashita founded TheSoloist in 2010 and left it in July 2025, after the 15th year. On 30 April 2026 the brand's Aoyama flagship closed.
Read the case ↗10product2016
Suzuki certified 26 models and 2.14 million cars without the legally required coastdown test; made to redo it, every car beat its filed figure.
Read the case ↗11research1989–2015
Ranjit Chandra fabricated infant formula and multivitamin studies, used a pseudonym to publish a confirming paper, and lost his Order of Canada.
Read the case ↗12sales2021–2025
Japan's fast-fashion EC mall peaked in 2021, then lost ground three years running. In February 2025 CROOZ sold it to Seoul's MEDIQUITOUS, waiving ¥311M of debt.
Read the case ↗13strategy2021–2026
Di'ai IPO'd in December 2021 on one rule: a man may buy one DR engagement ring in his life. Three years on, revenue had fallen by two-thirds.
Read the case ↗14tech2018–2022
CCI found India's top OTA imposed price parity, deep discounts and exclusivity on hotels — and delisted rivals for OYO — fining both a combined Rs 392 crore.
Read the case ↗15trading2008–2012
In 2008, Tata Motors paid $2.3B for Jaguar Land Rover as Ford bled cash. Analysts said Tata overpaid for broken brands. JLR became Tata's most valuable asset.
Read the case ↗16advertising2021
Weeks after its IPO, Zomato's celebrity ads praising delivery partners were mocked as tone-deaf, and its 'well-intentioned' defence was called a non-apology.
Read the case ↗17engineering2010–2017
TEB-1 carried 300 passengers over 300 metres in Qinhuangdao. Five cities signed pilot deals. Within a year the prototype was scrap and 32 were investigated.
Read the case ↗18finance2013–2026
Sanjeev Gupta's metals empire ran on Greensill's 'prospective receivables' financing and lost roughly $5 billion overnight when Greensill collapsed.
Read the case ↗19legal1999–2007
Brussels blocked Airtours buying First Choice fearing collective dominance, lost in court in 2002, and in 2007 cleared the same consolidation anyway.
Read the case ↗20marketing2022
A netizen's comparison showed Orion snacks cost more in China than Korea. The company denied it, but the damage was done — and sales never recovered.
Read the case ↗