And I will tell you this: "North Korea better get their act together or they're going to be in trouble like few nations ever have been in trouble in this world", Trump told reporters in New Jersey, where he was meeting with his national security team.
The ongoing political crisis that has seen North Korea state it was seeking to strike the US Pacific island territory of Guam within days, prompted gold speculator Dennis Gartman, editor and publisher of The Gartman Letter to say he believed gold was on the cusp on a significant break out.
Market analysts expect that the pullback in stocks due to the increasingly aggressive tone in exchanges between Washington and Pyongyang will continue, although investors hope that the selling will not escalate to a correction - a decline of 10 percent or more. "What we're seeing today is political tensions over North Korea and the United States. making people nervous", said Robert Pavlik, chief market strategist at Boston Private Wealth in NY.
The yen, which gained 0.2 percent on Wednesday, edged up marginally as demand for it as a safe-haven - which can increased when geopolitical anxiety rises - tapered off.
It was down 0.1 percent at 109.07 yen JPY= , after retreating 0.8 percent on Thursday. The DJIA was poised for a fall of 1.1%, making for its worst week since a 1.5% drop in the one ended March 24. "Pretty remarkable, perhaps even extraordinary, considering", said Tim Ash, strategist at fund manager BlueBay. Japan was closed on a public holiday.
Many world stock markets have hit record or multi-year highs in recent weeks, leaving them vulnerable to a sell-off, and the tensions have proved the trigger.
But the yen added to an already-strong weekly rally of close to 1.5 percent, hitting its highest in nearly four months versus the dollar at 108.73 yen.
The Swiss franc and Japanese yen are often sought out in times of geopolitical tension or global financial stress, partly because both countries have big current account surpluses. The Standard & Poor's 500 index dropped 1.4 percent to 2,438.21.
EPL: Arsenal in a insane match we beat Leicester
Arsenal dramatically scored two late goals thanks to Aaron Ramsey and Olivier Giroud as the club got off to a great start. Then, as they usually do, Arsenal got it back by the end and pulled out a win. "After that, we get the efficiency".
Disappointing US inflation and jobs data have not helped the dollar.
"If the data continues to come in on the softer side, the market might start to price the Fed staying on hold this year", said Sireen Harajli, FX strategist at Mizuho in NY. The Russell 2000 index gave up 1.7 percent to 1,372.54.
The Indonesian rupiah slipped by about 0.1 percent to its lowest in over 4 weeks.
The 30-year bond last /32 in price to yield 2.7933 percent, from 2.794 percent late on Thursday.
Front month Comex gold for August delivery rose 0.84% to $1,283.70 per troy ounce on Thursday.
European bourses also looked set to open lower across the board, with Eurostoxx 50 futures already down 0.7 percent in early trade.
Ongoing global glut concerns lingered in oil markets despite a bigger-than-expected draw in US crude inventories.
US crude shed 20 cents to $48.97 a barrel, while Brent crude fell 26 cents to $51.88 a barrel.