I’ve been thinking about this lately—what defines human thought in a world increasingly influenced and perhaps even dominated by artificial intelligence? Large language models excel at generating ...

Looking at a stock chart is a great way to gain instant visual insight into the performance and momentum of a stock market index like the S&P 500. Yet, even broad-market visualizations need context.

The market rally this year has been supported by record strong breadth—meaning a large share of stocks are moving in the same direction as the market does—leading the Dow Jones Industrial Average to a ...