A softer-than-expected July jobs report and President Trump’s revamped tariff plan weighs on markets. Plus: Amazon reports disappointing growth. Reddit swings to a quarterly profit on AI improvements. And First Solar’s earnings and revenue guidance beat expectations. Charlotte Gartenberg hosts. Sign up for the WSJ's free What's News newsletter. An artificial-intelligence tool assisted in the making of this episode by creating summaries that were based on Wall Street Journal reporting and reviewed and adapted by an editor.