While US President Donald Trump’s announcement on talks with Iran brought much-needed relief to stock markets and oil prices, some traders may have benefitted from the news even before it was out. ‘Mystery’ bets in oil futures and S&P 500 futures made just before Trump’s announcement have raised eyebrows over possible insider trading. Trump said on Monday that the US and Iran had very good and productive conversations over the last two days regarding the “complete and total resolution” of the rising hostilities in the Middle East. He announced that the US is postponing all military strikes against Iranian power...