Cobalt prices continued their downtrend in Q2, with oversupply worries impacting investor sentiment toward the sector. SEE MORE London base metals traded sideways on Tuesday as investors exercised caution ahead of monetary policy meetings by major central banks this month. SEE MORE Canada’s exemption from U.S. tariffs on imports of aluminum metal has boosted earnings at the Canadian operations of companies such as Rio Tinto and Alcoa, but has not cut costs for U.S. consumers. SEE MORE Oil slipped to around $63 a barrel on Tuesday as concerns faded for now that rising tensions in the Middle East would escalate and hit oil supplies, compounding the impact of a weaker demand outlook. SEE MORE Global sulphur prices weakened further this week as China's inventories climbed higher and the end use phosphate market weakened. SEE MORE