Below are the current SP+ rankings, last updated after the games of Dec. 20. What is SP+? In a single sentence, it's a tempo- and opponent-adjusted measure of college football efficiency that I ...

The S&P 500 index includes around 500 companies. Here's what qualifies a company and who's on the list. Many, or all, of the products featured on this page are from our advertising partners who ...

The S&P 500 is an index composed of 500 leading U.S. companies, and it powers some popular index funds. Here's a step-by-step guide on how to start investing. Many, or all, of the products featured on ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The Magnificent Seven represent 34.3% of the S&P 500 as of December 2025, up from 12.3% in 2015. From 2015 to 2024, these seven companies achieved a 697.6% return, outperforming the S&P 500. The S&P ...

Wall St wobbles as tech rally wanes in final week of 2025 Wall Street's main indexes kicked off the final week of the year on a softer note on Monday, as heavyweight technology stocks retreated from ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

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