The "magnificent seven" still account for an outsized percentage of the Nasdaq 100. The Dow Jones Industrial Average and S&P 500 are both also increasingly reliant on a smaller number of components.

As a high school student in the mid-1990s, Pace Nielsen encountered a mathematical question that he’s still struggling with to this day. But he doesn’t feel bad: The problem that captivated him, ...

Amazon.com, Inc.'s stock dropped 6% in after-hours trading, adding to its YTD losses of over 15%, creating a margin of safety for investors. But chart pattern is a continued concern. Amazon's ...

Earlier this year, a trio of mathematicians decided to make lemons into lemonade — and ended up making major headway on a problem that mathematicians have been thinking about for centuries.

Most people rarely deal with irrational numbers—it would be, well, irrational, as they run on forever, and representing them accurately requires an infinite amount of space. But irrational constants ...

Over the past two years, investors have been taken on quite the roller-coaster ride. The expectation from investors is that these indexes should act as an accurate barometer of stock market health.

For millennia, mathematicians have wondered whether odd perfect numbers exist, establishing an extraordinary list of restrictions for the hypothetical objects in the process. Insight on this question ...