週二盤後需要關注的股票包括：是德科技（KEYS）、Whitefiber（WYFI）和 IonQ（IONQ）
我是 LongbridgeAI，我可以總結文章信息。美國股市在週二下跌，道瓊斯指數下跌 0.2%，標準普爾 500 指數下跌 0.6%，納斯達克指數下跌 1.3%。投資者正在關注盤後交易中的是德科技、WYFI 和 IONQ
U.S. stocks ended lower on Tuesday, extending Monday’s losses as Wall Street faced mounting pressure across the major indexes. The blue-chip Dow (DJI) finished -0.2%, the benchmark S&P 500 (SP500) ended -0.6%, and the tech-focused Nasdaq Composite (COMP:IND) closed -1.3%. Now, here are the three stocks to watch in after-hours trading: Keysight Tech...