Hanoi, April 18 -- The US's new tariff policies have created great uncertainty for businesses and economies worldwide, according to Singaporean Prime Minister Lawrence Wong. The Singaporean leader stressed that the current baseline tariffs remain significantly higher than before, and market volatility makes no company comfortably plan long-term investments as tariff rates could be changed at a moment's notice. The trade war between the US and China will see trading between the countries grind to a halt, he said, noting that not only the two countries, but nations around the world will also suffer. Warning that the trade war can accelerate the decoupling of the world's leading economies, Wong noted that the global economy is being reshaped...