[I]n a change of schedule, the White House said Trump’s media conference planned for after the summit was moved forward by almost two hours to 2.00 p.m. (0700 GMT).

U.S. negotiators also reach tentative deal on thorny issue of enforcement.

Imports to and exports from China plummeted, signaling impact of U.S. tariffs.

About 32% of companies say they have no plans to expand investment in China or plan to expand less this year, survey says.

Some are concerned Trump will cave to China.

Trump is due to arrive in the Vietnamese capital, Hanoi, on Tuesday evening.

“I’m not in a rush. I don’t want to rush anybody,” Trump said. “I just don’t want testing. As long as there’s no testing, we’re happy.”

U.S. president cites substantial progress in trade negotiations.

Maduro retains the backing of both Russia and China.

The issues include an enforcement mechanism to ensure that China complies with any agreements.