AP Top Business News at 9:55 a.m. EDT

What 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 allianceWall Street drifts ahead of a big week that could swing stocks and bondsTrump's trade war with Canada: A timeline of how we got hereEconomists don't expect reopening the US to Mexican cattle imports to reduce high beef pricesIran 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 th