The Nasdaq and the S&P 500 had their worst day since June as investors worried about spending on A.I. infrastructure.

© The New York Times

President Luiz Inácio Lula da Silva’s re-election victory prompted a sharp reversal in financial markets that had expected his opponent to win.

© Amanda Perobelli/Reuters

President Luiz Inácio Lula da Silva’s re-election victory prompted a sharp reversal in financial markets that had expected his opponent to win.

© Amanda Perobelli/Reuters