Russia's full-scale invasion of Ukraine will ripple throughout the global economy in many ways, but one immediate concern is that it could send food prices soaring in some parts of the world. That's because Russia is the world's largest wheat exporter, and the two warring countries together account for more than a quarter of global exports. Here's a look at how wheat prices rose as the crisis escalated, along with a snapshot of the countries most vulnerable to price hikes or supply disruptions.
