最新报道:Nasdaq dropped 1,500 points, closing 0.35% lower as Fitch's credit policy adjustments sparked market volatility. The tech-heavy index faced pressure amid investor concerns over potential interest rate hikes and tightening financial conditions. Analysts noted the decline reflects broader market unease following Fitch's revised outlook on U.S. debt sustainability. Several major tech stocks underperformed, with semiconductor and cloud computing shares leading losses. Traders are closely monitoring Federal Reserve signals as inflation data remains elevated. The volatility comes during a traditionally slow August trading period, with many market participants on summer break.