Wall Street’s major indexes were set to open higher on Tuesday as the formal go-ahead for President-elect Joe Biden’s changeover to the White House ended weeks of political unreliability and added to hopes of an economic recovery next year.Boeing increased 3.2% in premarket trade after European regulators handed draft approval to the planemaker’s 737 MAX jets, paving the way for a formal flight approval in January.Futures connected to the blue-chip Dow leaped 1% in early trading, exceeding Nasdaq 100 futures as investors set up to again rotate out of the technology heavyweights that were seen as safe bets during the recession.After weeks of legal obstacles by the Trump campaign to reverse the election outcome, the US federal agency that is required to sign off on the presidential transition told Biden on Monday that he can formally initiate the hand-over process.