AP Top Business News at 5:09 a.m. EDT

World shares decline as bond market pressure persists, and Iran's rial sinks against the dollarWhat to know about Trump's 50% tariffs on Canadian goods that just went into effectCarney warned about economic coercion. Now Trump is testing the Canadian prime ministerA trade war between Canada and the US further ruptures a once-close and durable allianceTrump's trade war with Canada: A timeline of how we got hereIran official says support for new sanctions would be an 'act of war,' and other Middle East newsZelenskyy details rift with Ukraine's dismissed Defense Minister FedorovBuc-ee’s chain draws outcry in Ohio for launching fight over a mini mart's beaver logoWorkers in China worry over being replaced as they adapt to the growing impact of AI on jobsChinese humanoid robots smash human reco