The dollar rose against its major peers on Tuesday as investors awaited new trading catalysts after the European Union parliamentary elections showed a polarisation of the 28-member block. SEE MORE Oil steadied on Monday, trading below $69 a barrel, as concern over the U.S.-China trade dispute and global economic outlook offset support from Middle East tensions and supply cuts. SEE MORE South Africa’s long-delayed carbon tax has been enshrined in law, the treasury said on Sunday, as one of the continent’s worst polluters transitions to lower emissions in its efforts to meet agreements on global climate change. SEE MORE China has retaliated against the United States’ imposition of up to 25 per cent tariffs on US$200 billion worth of Chinese exports, by slapping duties on US$60 billion worth of US products from June 1, including rare earth products. SEE MORE Copper rebounded on Friday from its lowest since Jan. 14 hit in the previous session, as the U.S. dollar eased, but was heading for its sixth straight week of losses on a prolonged U.S.-China trade war. SEE MORE