US stock futures wavered on Tuesday, as President Donald Trump's revived tariff threats and potential toughening of China curbs weighed on market optimism and the chances of interest-rate cuts. Trump's signal that his trade overhaul isn't over has unsettled markets wondering about the impact on growth prospects.

The Dow Jones Industrial Average and other major stock futures tentatively ventured into positive ground Tuesday as Wall Street digested President Donald Trump's announcement that the tariffs on Canada and Mexico will go into effect early March.

US stock futures (ES=F, NQ=F, YM=F) move into the green Monday morning ahead of the release of January's Personal Consumption Expenditures (PCE) index — the Federal Reserve's preferred inflation gauge — this Friday,

Nvidia has led the artificial intelligence boom to become one of the stock market’s biggest companies, as tech giants continue to spend heavily on the company’s chips and data centers needed to train

Key Takeaways Nvidia is set to report fourth-quarter results after the market closes Wednesday.The chipmaker is expected to post another quarterly sales record on strong demand for its advanced chips.