The Nasdaq composite acted the strongest of the major indexes Tuesday. Reddit stock climbed to a new high Tuesday.

So long as the mood on Wall Street remains so upbeat, the stock market will remain "an accident waiting to happen," according ...

Investors are assessing China's instant retaliation to Trump's additional tariffs, amid worries about the risk of a trade war ...

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