U.S. stocks looked set to rebound after President Donald Trump softened his tone on China, reassuring investors after his renewed tariff threats on Friday sent the market tumbling.Futures tracking the Dow Jones Industrial Average climbed 445 points, or 1%. S&P 500 futures jumped 1.3%, and contracts tied to the tech-heavy Nasdaq 100 gained 1.9%.The yield on the 10-year U.S. Treasury note fell 11 basis points to 4.04%. Gold futures jumped 2.3% to $4,093 an ounce, hitting yet another record, and the dollar cli ...