Bubble talk has been rising on Wall Street in the years since ChatGPT set off an AI frenzy in the stock market.

Bubble charts provide an impactful means of data expression. In a bubble chart, data points are depicted as bubbles, where the size of each bubble is proportional to the value it signifies.

A few hours later he emailed me a chart he’d whipped together, splicing 20 years of Canadian inflation-adjusted house prices onto his data for the U.S. housing market going back to 1890.

This chart from Richard Bernstein Advisors has attracted quite a bit of attention on social media since it was posted Wednesday evening. Perhaps it's because it nicely encapsulates a salient ...

In fact, tech stocks just hit a record high relative to the S&P 500, eclipsing the dot-com bubble's peak in 2000 as well as the highs seen during the 1960s bull market.