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01Finance et comptabilité2016–2020Langue de l’article: English
Coty borrowed $12B to buy 41 P&G beauty brands in 2016. Integration failed, stock collapsed, and within four years it sold Wella and Clairol to KKR for $2.5B.
Lire le cas ↗02RH et management2021–2024Langue de l’article: English
Carlos Tavares squeezed Stellantis so hard that Jeep and Ram inventory piled up, US dealers revolted, and the board forced him out.
Lire le cas ↗03Stratégie et direction1994–2002Langue de l’article: English
Edgar Bronfman Jr. sold Seagram's DuPont stake for $9B to buy Universal, then merged with Vivendi. The family called it 'a disaster' and lost their fortune.
Lire le cas ↗04Juridique et conformité2007–2017Langue de l’article: English
Mylan raised the EpiPen from $100 to $609 while classifying it as a generic to pay lower Medicaid rebates. The backlash cost $465M.
Lire le cas ↗05Produit et design2009–2021Langue de l’article: English
China's first women's phone brand peaked at 3M sales — then a Kuaishou scandal killed it.
Lire le cas ↗06Marketing et marque2020–2026Langue de l’article: English
The Chinese beauty brand grew to ¥1.9B on celebrity endorsements — while R&D was 1.5% and regulators found preservative 1.8× the legal limit.
Lire le cas ↗07Produit et design2014–2026Langue de l’article: English
Faraday Future raised billions, went public via SPAC at $3.4B, and delivered 16 cars in 12 years. By 2025 it was losing $400M a year on $536,000 in revenue.
Lire le cas ↗08Produit et design1888–1900Langue de l’article: English
Lee Kum Sheung left a pot of oyster soup unattended. The liquid reduced to a thick brown sauce. That mistake became a global brand worth billions.
Lire le cas ↗09Produit et design2013–2020Langue de l’article: English
Coca-Cola launched Life in 2013 with stevia and a green label — a healthier cola with 1/3 less sugar. By 2020 it was dead, cannibalized by Coke Zero Sugar.
Lire le cas ↗10R&D et science2005–2014Langue de l’article: English
Ranbaxy, India's largest drugmaker, falsified data in FDA applications for years. The company paid $500M. The CEO was fired. The company was sold.
Lire le cas ↗11Stratégie et direction2016–2026Langue de l’article: English
Bayer bought Monsanto for $63B in 2018. Then Roundup lawsuits flooded in: 165,000 claims, $10B+ in settlements, and over 60% of Bayer's market value gone.
Lire le cas ↗12Stratégie et direction2021–2026Langue de l’article: English
David Yi launched Good Light in 2021 with a message of inclusion. By 2026, cheaper viral competitors and 25% tariffs made the business unsustainable.
Lire le cas ↗13Stratégie et direction1912–1998Langue de l’article: English
Harrods’ Buenos Aires store, the brand’s only branch outside London, closed in 1998 after a currency crisis and a licensing dispute with the new London owner.
Lire le cas ↗14Stratégie et direction2026Langue de l’article: English
Quiksilver's women's line closed all Taiwan stores by August 2026, after the parent's US licensee filed Chapter 11 and the Asian market shifted.
Lire le cas ↗15Stratégie et direction2007–2011Langue de l’article: English
India's Koutons Retail expanded from a single store to 1,300 outlets in a decade. The debt from that growth was ₹660 crore. The company never recovered.
Lire le cas ↗16Produit et design1948–2026Langue de l’article: English
Mahindra & Mahindra was Mahindra & Mohammed. A co-founder left Pakistan 1948. Company could not afford stationery. They kept the name. It became a $21B brand.
Lire le cas ↗17Stratégie et direction2017–2024Langue de l’article: English
Beauty Community grew rich on Chinese daigou shoppers. When China regulated the channel in 2019, revenue collapsed and the stock fell from 23 baht to 0.30 baht.
Lire le cas ↗18Produit et design1982–2025Langue de l’article: English
Kopiko launched in Indonesia in 1982. For 39 years it was a domestic candy. K-drama product placements from 2021 made it a global brand in over 80 countries.
Lire le cas ↗19Stratégie et direction1997–2025Langue de l’article: English
Kia declared bankruptcy in 1997 during the Asian crisis. Hyundai acquired 51%, hired a top designer, and rebuilt the brand. By 2025, Kia sold 3.14M vehicles.
Lire le cas ↗20Produit et design2013–2025Langue de l’article: English
Pavel Durov was forced out of VK, the Russian Facebook he built. A side project he and his brother started became the global messaging platform Telegram.
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