The Nasdaq Composite index fluctuated significantly in recent years, despite overall increasing more than ******* between January 2018 and December 2021. In particular, during 2022 the index decreased due to a generalized disruption in the financial markets caused by the Russia-Ukraine war. As of the end of December 2024, the Nasdaq Composite index reached a value of *********, an increase when compared to the previous month.

As of Janaury 2025, the New York Stock Exchange (NYSE) and the Nasdaq - the two largest stock exchange operators in the United States - held a combined market capitalization for domestic listed companies of over ** trillion U.S. dollars. Both markets were almost evenly sized at this point in time - at approximately ** and ** trillion U.S. dollars, respectively. However, the Nasdaq has grown much quicker than the NYSE since January 2018, when their respective domestic market caps were ** and ** trillion U.S. dollars. Much of this can be attributed to the success of information technology stocks during the global coronavirus (COVID-19) pandemic, as the Nasdaq is the traditional venue for companies operating in the tech sector.

The main stock market index of United States, the US500, fell to 6450 points on August 15, 2025, losing 0.29% from the previous session. Over the past month, the index has climbed 2.97% and is up 16.12% compared to the same time last year, according to trading on a contract for difference (CFD) that tracks this benchmark index from United States. United States Stock Market Index - values, historical data, forecasts and news - updated on August of 2025.

The Nasdaq stock exchange has experienced remarkable growth in its domestic market capitalization, reaching a peak of ***** trillion U.S. dollars in January 2025. This milestone underscores the exchange's significant role in the global financial landscape and its ability to attract and retain high-value companies. As the second-largest stock exchange operator in the United States, Nasdaq's performance serves as a key indicator of overall market health and investor confidence.

View data of the S&P 500, an index of the stocks of 500 leading companies in the US economy, which provides a gauge of the U.S. equity market.

United States Index: Nasdaq Composite data was reported at 7,305.900 05Feb1971=100 in Oct 2018. This records a decrease from the previous number of 8,046.350 05Feb1971=100 for Sep 2018. United States Index: Nasdaq Composite data is updated monthly, averaging 792.500 05Feb1971=100 from Feb 1971 (Median) to Oct 2018, with 573 observations. The data reached an all-time high of 8,109.540 05Feb1971=100 in Aug 2018 and a record low of 55.670 05Feb1971=100 in Sep 1974. United States Index: Nasdaq Composite data remains active status in CEIC and is reported by NASDAQ. The data is categorized under Global Database’s United States – Table US.Z007: NASDAQ: Indexes.

United States Index: Nasdaq 100 data was reported at 6,949.010 01Feb1985=100 in Nov 2018. This records a decrease from the previous number of 6,967.100 01Feb1985=100 for Oct 2018. United States Index: Nasdaq 100 data is updated monthly, averaging 1,452.810 01Feb1985=100 from Jan 1985 (Median) to Nov 2018, with 407 observations. The data reached an all-time high of 7,654.554 01Feb1985=100 in Aug 2018 and a record low of 110.620 01Feb1985=100 in Sep 1985. United States Index: Nasdaq 100 data remains active status in CEIC and is reported by NASDAQ. The data is categorized under Global Database’s United States – Table US.Z007: NASDAQ: Indexes.

The value of the DJIA index amounted to ****** at the end of June 2025, up from ********* at the end of March 2020. Global panic about the coronavirus epidemic caused the drop in March 2020, which was the worst drop since the collapse of Lehman Brothers in 2008. Dow Jones Industrial Average index – additional information The Dow Jones Industrial Average index is a price-weighted average of 30 of the largest American publicly traded companies on New York Stock Exchange and NASDAQ, and includes companies like Goldman Sachs, IBM and Walt Disney. This index is considered to be a barometer of the state of the American economy. DJIA index was created in 1986 by Charles Dow. Along with the NASDAQ 100 and S&P 500 indices, it is amongst the most well-known and used stock indexes in the world. The year that the 2018 financial crisis unfolded was one of the worst years of the Dow. It was also in 2008 that some of the largest ever recorded losses of the Dow Jones Index based on single-day points were registered. On September 29, 2008, for instance, the Dow had a loss of ****** points, one of the largest single-day losses of all times. The best years in the history of the index still are 1915, when the index value increased by ***** percent in one year, and 1933, year when the index registered a growth of ***** percent.

Graph and download economic data for NASDAQ-100 Total Return Opening Stlmt Value (NASDAQXNDXOS) from 2018-12-10 to 2025-08-01 about NASDAQ, return, trade, indexes, and USA.

Graph and download economic data for NASDAQ Composite Monthly Currency Hedged CAD (NASDAQCOMPCADMH) from 2018-01-08 to 2025-08-14 about NASDAQ, composite, currency, indexes, and USA.

United States Index: Nasdaq Financial 100 data was reported at 4,544.220 01Jan1985=100 in Nov 2018. This records an increase from the previous number of 4,380.800 01Jan1985=100 for Oct 2018. United States Index: Nasdaq Financial 100 data is updated monthly, averaging 1,955.280 01Jan1985=100 from Jan 1985 (Median) to Nov 2018, with 407 observations. The data reached an all-time high of 4,843.697 01Jan1985=100 in Aug 2018 and a record low of 250.000 01Jan1985=100 in Jan 1985. United States Index: Nasdaq Financial 100 data remains active status in CEIC and is reported by NASDAQ. The data is categorized under Global Database’s United States – Table US.Z007: NASDAQ: Indexes.

Context

In this dataset you can find the Top 100 companies in the technology sector. You can also find 5 of the most important and used indices in the financial market as well as a list of all the companies in the S&P 500 index and in the technology sector.

The Global Industry Classification Standard also known as GICS is the primary financial industry standard for defining sector classifications. The Global Industry Classification Standard was developed by index providers MSCI and Standard and Poor’s. Its hierarchy begins with 11 sectors which can be further delineated to 24 industry groups, 69 industries, and 158 sub-industries.

You can read the definition of each sector here.

The 11 broad GICS sectors commonly used for sector breakdown reporting include the following: Energy, Materials, Industrials, Consumer Discretionary, Consumer Staples, Health Care, Financials, Information Technology, Telecommunication Services, Utilities and Real Estate.

In this case we will focuse in the Technology Sector. You can see all the sectors and industry groups here.

To determine which companies, correspond to the technology sector, we use Yahoo Finance, where we rank the companies according to their “Market Cap”. After having the list of the Top 100 best valued companies in the sector, we proceeded to download the historical data of each of the companies using the NASDAQ website.

Regarding to the indices, we searched various sources to find out which were the most used and determined that the 5 most frequently used indices are: Dow Jones Industrial Average (DJI), S&P 500 (SPX), NASDAQ Composite (IXIC), Wilshire 5000 Total Market Inde (W5000) and to specifically view the technology sector SPDR Select Sector Fund - Technology (XLK). Historical data for these indices was also obtained from the NASDQ website.

Content

In total there are 107 files in csv format. They are composed as follows:

• 100 files contain the historical data of tech companies.
• 5 files contain the historical data of the most used indices.
• 1 file contain the list of all the companies in the S&P 500 index.
• 1 file contain the list of all the companies in the technology sector.

Column Description

Every company and index file has the same structure with the same columns:

Date: It is the date on which the prices were recorded. High: Is the highest price at which a stock traded during the course of the trading day. Low: Is the lowest price at which a stock traded during the course of the trading day. Open: Is the price at which a stock started trading when the opening bell rang. Close: Is the last price at which a stock trades during a regular trading session. Volume: Is the number of shares that changed hands during a given day. Adj Close: The adjusted closing price factors in corporate actions, such as stock splits, dividends, and rights offerings.

The two other files have different columns names:

List of S&P 500 companies

Symbol: Ticker symbol of the company. Name: Name of the company. Sector: The sector to which the company belongs.

Technology Sector Companies List

Symbol: Ticker symbol of the company. Name: Name of the company. Price: Current price at which a stock can be purchased or sold. (11/24/20) Change: Net change is the difference between closing prices from one day to the next. % Change: Is the difference between closing prices from one day to the next in percentage. Volume: Is the number of shares that changed hands during a given day. Avg Vol: Is the daily average of the cumulative trading volume during the last three months. Market Cap (Billions): Is the total value of a company’s shares outstanding at a given moment in time. It is calculated by multiplying the number of shares outstanding by the price of a single share. PE Ratio: Is the ratio of a company's share (stock) price to the company's earnings per share. The ratio is used for valuing companies and to find out whether they are overvalued or undervalued.

Acknowledgements

SEC EDGAR | Company Filings NASDAQ | Historical Quotes Yahoo Finance | Technology Sector Wikipedia | List of S&P 500 companies S&P Dow Jones Indices | S&P 500 [S&P Dow Jones Indices | DJI](https://www.spglobal.com/spdji/en/i...

Graph and download economic data for NASDAQ-100 Reduced Value Index (NASDAQNQX) from 2018-05-29 to 2025-08-04 about NASDAQ, indexes, and USA.

United States Index: Nasdaq Other Finance data was reported at 7,808.450 05Feb1971=100 in Oct 2018. This records a decrease from the previous number of 8,174.960 05Feb1971=100 for Sep 2018. United States Index: Nasdaq Other Finance data is updated monthly, averaging 938.200 05Feb1971=100 from Feb 1971 (Median) to Oct 2018, with 573 observations. The data reached an all-time high of 8,491.163 05Feb1971=100 in Aug 2018 and a record low of 58.750 05Feb1971=100 in Sep 1974. United States Index: Nasdaq Other Finance data remains active status in CEIC and is reported by NASDAQ. The data is categorized under Global Database’s United States – Table US.Z007: NASDAQ: Indexes.

The Nasdaq 100 Index contains 100 of the largest and most actively traded non-financial companies listed on the Nasdaq stock exchange. The index includes companies from various industries except for the financial industry such as investment, or commercial banks. At the end of February 2025, it stood at *********, a decrease compared to the peak reached at the end of the previous month.

Graph and download economic data for NASDAQ Composite Monthly Currency Hedged CAD TR (NASDAQXCMPCADMH) from 2018-01-08 to 2025-08-01 about NASDAQ, composite, currency, indexes, and USA.

United States Index: Nasdaq Industrial data was reported at 5,871.400 05Feb1971=100 in Oct 2018. This records a decrease from the previous number of 6,491.420 05Feb1971=100 for Sep 2018. United States Index: Nasdaq Industrial data is updated monthly, averaging 801.700 05Feb1971=100 from Feb 1971 (Median) to Oct 2018, with 573 observations. The data reached an all-time high of 6,508.290 05Feb1971=100 in Aug 2018 and a record low of 54.540 05Feb1971=100 in Sep 1974. United States Index: Nasdaq Industrial data remains active status in CEIC and is reported by NASDAQ. The data is categorized under Global Database’s United States – Table US.Z007: NASDAQ: Indexes.

United States Index: Nasdaq Bank data was reported at 3,680.560 05Feb1971=100 in Oct 2018. This records a decrease from the previous number of 4,043.960 05Feb1971=100 for Sep 2018. United States Index: Nasdaq Bank data is updated monthly, averaging 767.300 05Feb1971=100 from Feb 1971 (Median) to Oct 2018, with 573 observations. The data reached an all-time high of 4,254.135 05Feb1971=100 in Aug 2018 and a record low of 61.200 05Feb1971=100 in Sep 1974. United States Index: Nasdaq Bank data remains active status in CEIC and is reported by NASDAQ. The data is categorized under Global Database’s United States – Table US.Z007: NASDAQ: Indexes.

United States NASDAQ: Index: Net Total Return: NASDAQ US Benchmark Airlines Index data was reported at 2,445.780 NA in Apr 2025. This records a decrease from the previous number of 2,612.800 NA for Mar 2025. United States NASDAQ: Index: Net Total Return: NASDAQ US Benchmark Airlines Index data is updated monthly, averaging 2,973.330 NA from Dec 2012 (Median) to Apr 2025, with 149 observations. The data reached an all-time high of 4,430.490 NA in Nov 2018 and a record low of 1,029.570 NA in Dec 2012. United States NASDAQ: Index: Net Total Return: NASDAQ US Benchmark Airlines Index data remains active status in CEIC and is reported by Exchange Data International Limited. The data is categorized under Global Database’s United States – Table US.EDI.SE: NASDAQ: Net Total Return: Monthly.

Estonia Number of Deals: Nasdaq Tallinn Stock Exchange: Baltic Main List data was reported at 4,462.000 Unit in Nov 2018. This records a decrease from the previous number of 6,610.000 Unit for Oct 2018. Estonia Number of Deals: Nasdaq Tallinn Stock Exchange: Baltic Main List data is updated monthly, averaging 3,897.000 Unit from Jan 2000 (Median) to Nov 2018, with 227 observations. The data reached an all-time high of 21,881.000 Unit in Feb 2007 and a record low of 701.000 Unit in Jun 2002. Estonia Number of Deals: Nasdaq Tallinn Stock Exchange: Baltic Main List data remains active status in CEIC and is reported by Nasdaq Tallinn. The data is categorized under Global Database’s Estonia – Table EE.Z003: Nasdaq Tallinn Stock Exchange: Trading Statistics.