President Donald Trump said he would hold a news conference “on China” on Friday, but he offered no details as to what he would say. Even without any details, Trump’s announcement Thursday at the White House was enough to send markets tumbling. Between 3:15 p.m., when news of the Friday presser hit wires, and the 4:00 p.m. close of the trading day, the Dow Jones Industrial Average fell 300 points, giving up its positive gains for the day and ending down half a percent. The White House did not immediately respond to questions from CNBC about the content of tomorrow’s presidential announcement. For weeks, the Trump ... (full story)