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The chart above is causing a bit of buzz on social media. It's from a recent note from Bank of America and shows occasions when the concentration of high flying stocks peaked and what happened next to ...

Two months ago, in November 2025, President Trump directed the US Department of Justice to investigate allegations of price-fixing and collusion in the US meatpacking industry. In a Truth Social post, ...

Emerging market investing is evolving as equity structures shift and market concentration reshapes the global economy. For those investing in emerging economies or considering investment in developing ...

U.S. equity market concentration has increased sharply over the past decade as mega-cap companies have grown faster than the broader large cap universe. Measures such as the effective number of stocks ...

ORLANDO, Florida, Oct 28 (Reuters) - With Wall Street scaling fresh peaks and five of the "Magnificent Seven" U.S. tech giants reporting earnings this week, investors' focus is once again zeroing in ...

I recently gave a presentation to some new colleagues from the Center for Research in Security Prices, an affiliate of the University of Chicago acquired by Morningstar. One of my slides highlighted ...

ORLANDO, Florida, May 11 (Reuters) - As the artificial intelligence boom accelerates, stock market concentration is reaching historic proportions – ⁠and ⁠not just in the U.S. where tech megacaps like ...