Tariffs have and will have a trickle-down impact on retailers like Costco, which rely on supply chains and products from countries around the world.

Explore 110 years of US stock market trends, high P/E ratios, and what the Shiller P/E of 35 signals for future returns.

Investors are always on the lookout for the next stock split -- for a couple of reasons. How do you identify the next ...