Crude prices posted their biggest-one day gains on record on Thursday after President Donald Trump said he expects Russia and Saudi Arabia to announce a major oil production cut, and Saudi state media said the kingdom was calling an emergency meeting of producers to deal with the market turmoil. Trump said he had spoken to Saudi Crown Prince Mohammed bin Salman, and expects Saudi Arabia and Russia to cut oil output by as much as 10 million to 15 million barrels, as the two countries signaled willingness to make a deal. Trump did not specify barrels per day (bpd), though the market expresses demand and supply in those terms. Such a sizeable deal, however, would likely require participation from other big producers outside of the OPEC cartel. Saudi Arabia said it would call an emergency meeting of the Organization of the Petroleum Exporting Countries (OPEC), […]