Asian shares climbed on Tuesday even as U.S. tariffs on China came into effect and China imposed retaliatory measures on the United States, including tariffs on coal and liquefied natural gas as well as an antitrust probe into Google.

President Donald Trump's 25% tariff plan on goods from Canada and Mexico rattled markets early Monday. Follow along for live updates on stocks and markets, including the Dow Jones Industrial Average,

The burgeoning trade wars launched against America's biggest trade partners are likely to raise costs for several key items.