With new tariffs on Mexico and Canada, prices will most likely increase for Californians, economists say. Here's what to know.

When customers use credit cards for a bill, businesses pay a transaction fee to credit card companies, which is also applied ...

The positive report followed a recently released revenue forecast that predicts a nearly $6 billion budget deficit.

Yahoo Finance will chronicle the latest news and updates on Trump's tariffs — from the threats to the eventual policy.