JonesTrading Launches JT20™ Index to Track 20 Largest U.S. Companies
JonesTrading has launched the JT20™ Index, a market-cap-weighted benchmark that tracks the 20 largest U.S. companies, representing nearly 50% of the S&P 500. The index aims to provide insight into the performance of ultra-megacap stocks, which now dominate the U.S. equity market. It is available on Bloomberg with two tickers and shows strong historical correlations with major indices like the S&P 500 and Nasdaq 100.
Topics: equity markets JonesTrading JT20 Index market concentration market indices