United States officials flagged a delay on tariffs, with higher rates to take effect on Aug 1, but failed to provide much detail on the change. SYDNEY: Stock markets slipped in Asia on Monday (Jul 7) amid confusion as United States officials flagged a delay on tariffs but failed to provide much detail on the change, while oil prices slid as OPEC+ opened the supply spigots more than expected. The US is close to finalising several trade agreements in the coming days and will notify other