Video'Places Trump taxes the most do best in the stock market'
US President's tariffs have 'frightened the dickens out of people', but don't trade on them, says billionaire investor
IMF scrutinising longer-term US treasuries amid market volatility
Fund says Trump tariffs 'significantly' raise risks to global financial stability
Oil prices surge more than 3% amid US-EU trade deal hopes and new Iran sanctions
Crude posts first weekly gain after falling in past two weeks
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