The decline reflected a familiar pattern for MercadoLibre this year: strong top-line growth overshadowed by investor concern over the company's shrinking profit margins as it continues investing heavily in its commerce, fintech and logistics operations. Record Revenue, Falling ProfitMercadoLibre reported second-quarter revenue of $10.2 billion, up 50% from the same period a year earlier and roughly $500 million ahead of the $9.7 billion analysts had expected. The quarter marked the first time in the company's history that quarterly revenue surpassed the $10 billion threshold. Shares had risen roughly 2% in the days leading up to the earnings release, a gain that Wednesday's after-hours decline more than erased. A Business Still Expanding RapidlyDespite the market's repeated skepticism toward the company's margin trajectory, MercadoLibre's underlying growth metrics have remained robust throughout the year.