Wall Street points to gains as US raises pressure on Iran and trade war with Canada intensifies

Wall Street was poised to open with gains early Tuesday and oil prices fell as the U.S. announced new sanctions against Iran, while trade talks between American and Canadian officials hit a wall. Futures for the S&P 500 and the Dow Jones Industrial Average each rose 0.4%, while Nasdaq futures jumped 0.8%. The gains come after mixed trading a day earlier when chip and memory companies stocks retreated again. Chip giant Nvidia, one of the biggest beneficiaries of the AI boom, will deliver its quarterly earnings report on Wednesday, potentially dictating the next big move for AI-related stocks. Its shares…