Coupang, Inc. (CPNG) experienced a significant intraday plummet of 15.05% on Wednesday, following the release of its disappointing first-quarter 2026 financial results.

The sharp decline was primarily driven by the company's earnings report, which fell short of Wall Street expectations on both profitability and revenue. Coupang reported a Q1 adjusted loss per share of $0.15, missing the consensus estimate of a $0.10 loss. Revenue came in at $8.504 billion, below analysts' forecast of $8.637 billion, marking the company's largest quarterly loss in over four years.

Investor sentiment was further dampened by the severe fallout from a major data breach disclosed late last year, which affected millions of user accounts and led to significant compensation costs. Concurrently, the company faces increased regulatory scrutiny, including a recent reclassification of its CEO as the company's actual controller by Korean authorities. Management's warning of slowing full-year revenue growth compounded concerns about the company's growth trajectory amid these challenges.