The S&P 500 index’s biggest sector, information technology, was rising sharply Friday afternoon, but the gains were not quite large enough to lift it into positive territory so far in 2025. The tech ...
Here's what it is, how it works, and why it's important. The S&P500 is a popular stock market index that comprises 500 publicly traded, U.S.-based companies with high market capitalization.
There have been instances where the profitability screen prevented otherwise qualified companies from index inclusion. Most notably, Tesla TSLA was added to the index in December 2020, despite ...