On Monday Eastern Time, the three major indices collectively closed lower, dampening the market's upward momentum following Fed Chair Powell's speech last Friday.

As of the close, the Dow Jones Index fell 0.77% to 45,282.47 points; the S&P 500 Index dropped 0.43% to 6,439.32 points; and the Nasdaq Index declined 0.22% to 21,449.29 points.

Large tech stocks were mixed, with Tesla up 1.94% and Nvidia up 1.02%.

On the news front, Nvidia announced that its latest robot chip module, Jetson AGX Thor, is officially on sale, with the developer kit priced at $3,499. The company referred to this chip as the "robot brain." Nvidia stated last week that the first batch of kits will ship next month, and enterprises can use the chip to develop robots.

Microsoft fell 0.59%, Apple declined 0.26%, Google rose 1.16%, Amazon dropped 0.39%, and Meta fell 0.20%.

Popular Chinese stocks were mixed, with the Nasdaq Golden Dragon China Index up 0.11%.

Alibaba rose 1.15%, JD.com gained 0.35%, Pinduoduo increased 0.87%, Nio fell 3.94%, XPeng dropped 2.86%, Li Auto declined 0.25%, Bilibili fell 3.04%, Baidu rose 2.13%, NetEase gained 2.81%, and Tencent Music increased 1.46%.

International gold prices fluctuated at high levels, with COMEX gold futures down 0.25% at $3,409.90 per ounce.

International oil prices rose, with WTI October crude futures up 1.79% at $64.80 per barrel. Brent October crude futures gained approximately 1.58% to $68.80 per barrel.