Stock futures were mixed on Wednesday as the tech rally took a breather even after Samsung Electronics reported an expected huge surge in profit.

(Bloomberg) -- Asian equities swung to a loss and US stock futures pared gains as a rebound in regional semiconductor and technology stocks lost momentum. The dollar strengthened.

(Bloomberg) -- Stocks retreated as a rebound in semiconductor and technology shares lost steam, renewing concerns over the durability of the AI-driven rally. The dollar…