Coupang Stock Surges. A Data Breach Wasn't as Bad as Feared. -- Barrons.com

Dow Jones2025-12-26

By Nate Wolf

Shares of Coupang rose sharply Friday after a Christmas Day announcement quelled investors' worst fears about a recent data breach.

An internal investigation found that a former employee accessed 33 million customer accounts, but retained data from only about 3,000 customers, Coupang announced Thursday. The person did not share the data with others, the company said.

Coupang stock jumped 9.2% on Friday, giving the retailer a boost before the turn of the year.

The data breach has thrown the company into turmoil over the past month. Coupang's former CEO of South Korea operations resigned, and local police raided the company's Seoul office earlier this month, The Wall Street Journal reported.

Often considered South Korea's equivalent of Amazon.com, Coupang holds personal information on the vast majority of the country's adult population. The announcement that the perpetrator kept just a fraction of those records could help the retailer rebuild trust among its customers.

Write to Nate Wolf at nate.wolf@barrons.com

This content was created by Barron's, which is operated by Dow Jones & Co. Barron's is published independently from Dow Jones Newswires and The Wall Street Journal.

 

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December 26, 2025 10:59 ET (15:59 GMT)

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