美股异动｜多邻国跌4.7%，T-Mobile实时AI翻译服务再度引发市场担忧

Core Viewpoint - Duolingo (DUOL.US) experienced a 4.7% decline, closing at $115.03, amid the announcement of T-Mobile's new real-time AI translation service integrated into its wireless network [1] Company Summary - Duolingo's stock price fell to $115.03, reflecting a 4.7% decrease [1] Industry Summary - T-Mobile launched a real-time AI translation service capable of translating over 50 languages during phone calls, which is embedded in its network infrastructure as a core service rather than an optional feature [1] - The translation service is available to users when at least one party in the call is connected to the T-Mobile network [1]