(Reuters) -Wall Street futures fell on Tuesday with concerns around elevated technology valuations resurfacing, while markets closely watched progress toward the end of the longest government shutdown in U.S. history.

Technology and AI shares rebounded on Monday from last week’s steep losses. The Nasdaq posted its largest daily gain since May 27 and the S&P 500 recorded its biggest one-day percentage rise since mid October.

Markets had rallied on the back of expectations that the government would reopen as soon as this week, as the prolonged closure weighs on the economy and contributes to a data blackout for the Federal Reserve and traders alike.

“Following the government reopening, we assume that delayed economic data will be released over the coming few weeks, lifting some of the fog

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