Wall Street ended sharply higher on Monday, led by big gains in Nvidia, Palantir and other heavyweight AI-related companies following progress in Washington to end a record government shutdown.

The longest government shutdown in US history could end this week after a compromise that would restore federal funding cleared an initial Senate hurdle late on Sunday, though it was unclear when Congress would give final approval.

"The government shutdown was continuing a lot longer than people had expected. There were concerns around the economy, about flights potentially being cancelled and having a wider impact on the economy," said Chris Zaccarelli, Northlight Asset Management's chief investment officer.

Heavyweight tech stocks rebounded from some recent losses. Last week, the S&P 500 techno

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