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.

With fast-growing private equity firms controlling as much as 20% of the U.S. economy with minimal disclosure requirements, business leaders must understand the implications of increasing ...

As a Professor of Law and Economics at Harvard Law School, as well as former Acting Director for the Division of Corporation Finance for the US Securities and Exchange Commission (SEC), John Coates ...

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.