Concerns about market concentration and the performance of the Magnificent 7 stocks have become increasingly common in investor conversations. The strong price appreciation of the Mag 7, and tech more ...

After a brief respite, the Magnificent 7 stocks have again hit new highs on the heels of Nvidia's blowout earnings: They now again comprise about 30% of the S&P 500. Throw in the remainder of the top ...

This article reports an evaluation of the impact of horizontal ownership concentration on access pricing outcomes. Historical data of post-acquisition impacts on firms’ access outcomes have enabled ...

Regarding your editorial “A Railroad Merger Test for the Feds” (Review & Outlook, July 30), the proposed merger between Union Pacific and Norfolk Southern should set off alarm bells. If approved, it ...

An analysis by JPMorgan Chase & Co.’s quantitative strategists, led by Khuram Chaudhry, has drawn striking parallels between the current U.S. equity market’s structure and the notorious dot-com bubble ...

Insurance Commissioner Glen Mulready says, “That’s the free market,” after a report from Oklahoma Watch found data that shows a small group of home insurance companies has about ...

Both Republican and Democratic politicians have been sounding alarms about market power in the United States, arguing that a few companies such as Amazon, Facebook, and Google have become too dominant ...