US stock futures struggled for a footing on Thursday after President Trump pushed ahead with hefty new tariffs on car imports, stoking concerns about a potential full-on trade war and global economic harm.

Wall Street observed significant gains on Monday, fueled by growing optimism that President Donald Trump's upcoming tariffs will be more focused and less sweeping than originally feared. The rally was driven by a surge in tech stocks,

Wall Street's three main indexes touched two-week highs on Monday, boosted by technology stocks on signs that the Trump administration is taking a measured approach on tariffs against its trading partners.