CBC.caOil tumbles, loonie and stocks fall amid more Brexit worriesCBC.caThe price of benchmark North American oil retreated almost five per cent Tuesday, while the loonie dropped by almost a cent and stocks tumbled as investors fretted about the British fi …

CBC.caOil tumbles, stocks fall amid more Brexit worriesCBC.caThe price of benchmark North American oil retreated almost five per cent Tuesday, while stocks also tumbled as investors fretted about the British financial system. In afternoon trading, the pric …