Long-threatened tariffs from U.S. President Donald Trump have plunged the country into a global trade war — all while on-again, off-again new levies further escalate uncertainty.

With rates changing rapidly, it's hard to know how Trump's tariffs will affect the price of gadgets like smartphones and PCs. Stay on top of things with our up-to-date chronology of events.

"If you want your tariff rate to be zero, then build your product right here in America," Trump said ... group that is in charge of tariffs. And we're waiting for our Republicans to come along ...

NEW YORK — Long-threatened tariffs from U.S. President Donald Trump have plunged the country into trade wars abroad — all while on-again, off-again new levies continue to escalate uncertainty ...

NEW YORK — (AP) — Long-threatened tariffs from U.S. President Donald Trump have plunged the country into trade wars abroad — all while on-again, off-again new levies continue to escalate ...

NEW YORK (AP) — Long-threatened tariffs from U.S. President Donald Trump have plunged the country into trade wars abroad — all while on-again, off-again new levies continue to escalate ...