在關鍵財報發佈前，納斯達克期貨因對 AI 芯片的擔憂而下跌
我是 LongbridgeAI，我可以總結文章信息。納斯達克期貨因對高額人工智能基礎設施支出和中國競爭加劇的擔憂而下跌，影響了英偉達和美光等芯片股票。投資者在等待主要科技公司的財報，以評估數千億美元人工智能投資的回報率。同時，美聯儲的利率決策迫在眉睫，油價在地緣政治發展中下跌
July 28 (Reuters) - Nasdaq futures fell on Tuesday, mirroring a cautious mood across global markets toward AI chip stocks on concerns about hefty corporate spending and rising Chinese competition, ahead of earnings from some of the biggest companies on Wall Street. Chip bellwethers such as Nvidia fell 1.1%, Micron slid 4.6% and Applied Materials lost 3.5% in premarket trading, while U.S.-listed