Here’s a quick guide to the Trump administration’s talks with a number of different countries about tariffs and trade, as markets prepare for another week of headlines and signs of potential agreements.

President Trump says he wants Xi Jinping, China’s leader, to call him to talk tariffs. Mr. Xi is ghosting Mr. Trump, and markets are plummeting.

The ripple effects of Donald Trump's global trade war are increasingly being felt across numerous industries all at once and on Wednesday were once again exerting pressure on U.S. stock markets that have been roiled for weeks by his erratic trade policies.