Which retail product holds the Guinness World Record for 'Most Dramatic Price Increase for a Mass-Market Item' set in 2013?

The world of retail has seen some extraordinary pricing strategies that have earned places in record books. From flash sales that crashed websites to pricing experiments that changed consumer behavior forever, retail pricing has its own set of fascinating world records. Test your knowledge about one of the most notable retail pricing world records that transformed how we think about premium product positioning.

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Beats by Dre headphones, which increased in price by 115% and saw sales triple after repositioning as a luxury item
Nike Air Jordan limited editions, which increased by 200% yet generated the highest sales volume in sneaker history
Apple iPhone 5, which raised prices 85% in emerging markets while maintaining record market penetration
L'Oreal Paris skincare line, which doubled its price point and became the fastest-growing cosmetic brand that year