China — undeterred by President Donald Trump raising import taxes on the country to 104% — will raise its tariff on U.S. goods by another 84%. The European Union also responded to U.S. steel and aluminum tariffs with some specific import duties of its own. How are markets digesting this? Then, the IRS may be about to lose its third leader in four months. And later: a look at how workers are using AI in their jobs.