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Stock Indices and Index Components
See which companies make up the major U.S. stock market indices – the Dow Jones averages, the NASDAQ-100 and NASDAQ sector indices, and the S&P 100, 500 and MidCap 400 – along with today’s market movers and selected stock groups.
Dow Jones NASDAQ S&P Delisted Get quotes with Stock Quotes ProToday’s market movers
Top Gainers
Stocks with the largest percentage gains today.
Top Losers
Stocks with the largest percentage losses today.
Dow Jones averages
Price-weighted averages maintained by S&P Dow Jones Indices.
| Index | What it covers |
|---|---|
| Dow Jones Industrial Average | 30 large, well-known U.S. companies; the oldest and most quoted market average. |
| Dow Jones Transportation Average | Airlines, railroads, truckers, shipping and delivery companies. |
| Dow Jones Utility Average | Electric and natural gas utilities. |
| Dow Jones Composite Average | All stocks of the Industrial, Transportation and Utility averages combined. |
NASDAQ indices
Indices of companies listed on the Nasdaq Stock Market, overall and by industry.
| Index | What it covers |
|---|---|
| NASDAQ-100 | The 100 largest non-financial companies listed on the Nasdaq Stock Market. |
| NASDAQ Computer | Computer hardware, software, semiconductor and IT services companies. |
| NASDAQ Internet | Internet services, e-commerce and online content companies. |
| NASDAQ Telecommunications | Telecommunications carriers and equipment makers. |
| NASDAQ Biotechnology | Biotechnology and pharmaceutical companies. |
| NASDAQ Bank | Banks and bank holding companies listed on Nasdaq. |
| NASDAQ Financial-100 | The 100 largest financial companies listed on Nasdaq. |
| NASDAQ Insurance | Insurance companies listed on Nasdaq. |
| NASDAQ Transportation | Airlines, trucking, shipping and other transportation companies. |
| NASDAQ US Dividend Achievers | Companies that have raised their dividend for at least ten consecutive years. |
Standard & Poor’s indices
Market-capitalization-weighted indices of U.S. large- and mid-cap companies. The longer lists are split into pages of 100 companies.
S&P 100
100 of the largest and most established companies in the S&P 500.
S&P 500
About 500 leading U.S. large-cap companies; the most widely used benchmark of the U.S. stock market.
S&P MidCap 400
About 400 U.S. mid-sized companies, the mid-cap counterpart of the S&P 500.
Selected stock groups
Hand-picked lists of stocks by theme. To browse every industry, see stock sectors and industry groups.
- IPO Stocks of 2023
- Communications Stocks
- Basic Materials Stocks
- Energy Stocks
- Agriculture Stocks
- Healthcare Stocks
- Utility Stocks
- Technology Stocks, part 1
- Technology Stocks, part 2
- High Dividend Stocks, part 1
- High Dividend Stocks, part 2
- Tech 100 Index
Load any of these lists into Stock Quotes Pro or Stock Ticker Application Bar to follow real-time quotes, or download their price history with Historical Quotes Downloader and chart it in Stock Predictor.
Index membership changes over time; lists are provided for information only. See our disclaimer.
Delisted Stocks
Companies whose shares were removed from U.S. exchanges after an acquisition, merger, take-private deal, bankruptcy or listing-standards failure, with each company’s history and delisting details.