Datadog is trading 4.4% down at $257.47 on October 15, 2026, amid broad technology-stock pressure after hotter-than-expected U.S. inflation stoked expectations of further Federal Reserve rate hikes. - Reuters reported the inflation-driven selloff continued into Thursday, with investors concerned higher borrowing costs could weigh on technology and AI-related companies. - No clear Datadog-specific catalyst surfaced; broader software-sector weakness and macro-driven pressure are the best-supported explanations.