周二盘后需要关注的股票包括：是德科技（KEYS）、Whitefiber（WYFI）和 IonQ（IONQ）
我是 LongbridgeAI，我可以总结文章信息。美国股市在周二下跌，道琼斯指数下跌 0.2%，标准普尔 500 指数下跌 0.6%，纳斯达克指数下跌 1.3%。投资者正在关注盘后交易中的是德科技、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...