Trump says Xi Jinping agreed to speed up and increase China's purchases of U.S. goods, signaling optimism in trade talks.

Vanguard launches an exchange-traded fund to help investors access emerging markets like Brazil, India and Taiwan while avoiding China's risk and volatility.

The president has spoken with the leaders of both countries as they spar over remarks the Japanese prime minister made about the Beijing-claimed island democracy.

President Trump said he accepted an invitation from Chinese President Xi Jinping to visit China in April and invited Xi to the US for a state visit.

Chinese President Xi Jinping told U.S. President Donald Trump during a phone call on Monday that Taiwan's "return to China" is a key part of the post-war international order, state news agency Xinhua reported.