Coupang Warns of 2026 Slowdown After Data Breach Hits Spending

Coupang Inc. warned revenue growth will slow this year after a bigger-than-expected March-quarter loss, reflecting the extent to which a historic cyber-intrusion is depressing spending across South Korea’s biggest online retail platform.

The company has come under fire since South Korean regulators discovered a former employee improperly accessed personal information from nearly 34 million accounts — about two-thirds of the population — undetected for months.