While U.S. stocks scored a second straight day of big gains on Wednesday, bond investors say American companies still need trade deals to overcome deep uncertainty sparked by President Trump’s tariff fight.

Chief executives of Walmart, Target and Home Depot reportedly warned Trump that supply chain disruptions were already underway and would lead to empty shelves at U.S. stores in a matter of weeks.

Stocks opened higher in early trading Wednesday. The surge comes after Donald Trump backed off threats to fire the chairman of the Federal Reserve and showed a willingness to lower tariffs on China. Stocks continued to rally early Wednesday after Donald Trump backed off of threats to remove the chairman of the Federal Reserve and signals that tariffs on Chinese imports could be lowered in the weeks to come.

U.S. markets are poised to open with big gains, a clear sign of relief after President Donald Trump said he would not attempt to fire the head of the Federal Reserve

Vice President JD Vance said that the U.S. could walk away from Russia-Ukraine peace talks if neither country agrees to a deal. He indicated that the proposal

"This statement is very harmful to the Peace Negotiations with Russia," Trump said in a social media post. He said Crimea was lost years ago "and is not even a point of discussion." Zelenskiy on Tuesday reiterated that Ukraine will not recognize Russia's occupation of the Crimea.

By Doina Chiacu, Elizabeth Piper and John Irish WASHINGTON/LONDON/PARIS (Reuters) -U.S. President Donald Trump and Ukrainian President Volodymyr Zelenskiy clashed again on Wednesday on efforts to end the three-year-old war in Ukraine,