Markets are ignoring Trump tweets more and more, UBS economist says
President Donald Trump threatens his Iranian counterpart in a Twitter post. The impact of a Donald Trump tweet on the value of assets might be losing its punch, according to a leading economist. Trump’s Twitter TWTR account has rattled markets with nuclear threats to North Korea , a promise to enforce tariffs on a huge amount of global trade, as well as warnings over the United States ’ relationships with countries generally considered allies.