Home
>
Stocks & Mutual Fund
>
Understanding Stock Market Indexes

Understanding Stock Market Indexes

A stock market index is a statistical measure of changes in the securities markets. An index represents a portfolio of securities traded on the market that is considered to be reasonably representative of the market as a whole. Each index has its own method of calculation. It is generally expressed as a change from its base value. For a better understanding of the stock market, an index should be read not at its absolute numerical value but at the percentage change in its numerical value. One cannot invest in an index directly. However, you can invest in index related mutual funds.

Popular indexes in the US

The Standard & Poor's 500 Index ? The S & P 500 index

This index is the most popular index in the world. The S & P 500 index consists of 500 stocks chosen on the basis of industry, market capitalization, liquidity and other factors. It is a leading indicator of US stocks. The index does not include speculative stocks.

The Dow Jones Industrial Average (DJIA) ? popularly known as the Dow

This index consists of 30 significant stocks traded on the New York Stock Exchange (NYSE) and the NASDAQ. It includes companies such as Microsoft, Exxon Mobil, Disney, and General Electrical. The index does not include speculative stocks.

The Dow Jones Utility Average (DJUA)

The DJUA is more of a sector based index as it is a price-weighted average of 15 utility stocks traded in the US. It is sensitive to interest rate changes as utility companies tend to borrow a great deal of money.

The Russell 2000 Index

This index consists of 2,000 small company stocks that are included in the Russell 3000 index. It serves as a bench mark for small company stocks in the US.

Wilshire 5000 Total Market Index (TMWX)

This index measures the stock performance of all US headquartered equities for which price data is readily available. It is one of the broadest stock market indices. It includes equities of more than 7,000 companies traded on US Stock Exchanges.

The Nasdaq Composite Index

It tracks companies traded on the Nasdaq Stock Exchanges. The index consists of stocks of more than 5,000 companies traded on Nasdaq. Most of these companies are technology companies. However, you will find companies in the financial, industrial, transportation and insurance sectors. It also consists of many speculative companies.

Read More Free Investment, Wealth Creation & Personal Finance Articles & Tutorials at: http://www.global-investment-institute.com

The Global Investment Institute has been setup to aid people in the pursuit of a better lifestyle through managing their money effectively, investing wisely and wealth planning for their future.

bathroom cleaning service Northbrook ..

In The News:

ETA sharing on Apple Maps and Google Maps keeps contacts updated automatically while you drive safely. Learn step-by-step instructions for iPhone and Android.

Data removal from brokers protects against AI-powered scams and deepfake threats in 2026. Learn how data brokers sell your personal information to scammers.

Learn how to act against cybercriminals in 2026 with essential security steps like two-factor authentication, software updates and credit freezing.

Choose between OpenAI releasing Sora text-to-video model, the AI race heating up, or Waymo driverless cars launching in cities across the country

Learn how to set up Google Maps and Apple Maps on your phone to automatically remember where you parked. Step-by-step instructions for enabling location services and parking detection.

Phishing scammers use rnicrosoft.com domain to impersonate Microsoft by replacing "m" with "rn" in typosquatting attacks that steal login credentials.

OpenAI announces new teen safety rules for ChatGPT users under 18, blocking romantic roleplay and requiring extra caution on body image topics.

A 2025 data breach at fintech company 700Credit exposes personal information of more than 5.8 million people through compromised third-party integration partner.

Retailers lose $76.5 billion annually to return fraud as nearly 10% of U.S. retail returns involve fraudulent activity, with $850 billion in returns expected in 2025.

ShinyHunters claims responsibility for stealing 94GB of Pornhub user data affecting over 200 million records and demands Bitcoin ransom.

ChatGPT 2025 now connects to Apple Music, Canva, Expedia, TripAdvisor and OpenTable through built-in apps that help users create playlists, design graphics and more.

Apple releases emergency patches for two zero-day vulnerabilities actively exploited in attacks. iPhone and iPad users urged to update immediately.

DoorDash launches Zesty, an AI-powered social app that recommends restaurants through conversational search, now testing in San Francisco and New York.

Cybersecurity firm Infoblox reveals that over 90 percent of parked domains now redirect visitors to scams and malware, making simple typos extremely dangerous.

The Fox News AI Newsletter covers the latest artificial intelligence technology advancements, including the challenges and opportunities AI presents now and for the future.

GPT-5.2 is now live for all ChatGPT users with improved coding, writing and image interpretation, with Kurt Knutsson offering his review.

New iPhone replacement scam uses pressure tactics and fake carrier calls to steal devices from buyers. Criminals claim shipping errors and demand urgent returns.

Amazon Ring's new facial recognition feature sparks privacy controversy as Electronic Frontier Foundation critics argue the AI upgrade expands surveillance risks.

New Android banking trojan Sturnus steals credentials, reads encrypted messages and controls devices.

Denmark's 3D-printed student village proves automation builds 36 apartments faster than traditional methods. Skovsporet project shows housing future.

Discover Android's new Sound Notifications feature that alerts you to smoke alarms, doorbells, and baby cries even when wearing headphones.

New SantaStealer malware reportedly threatens holiday shoppers with password theft. This Christmas-themed info-stealer targets browsers and crypto wallets.

The Christmas season brings a surge in Netflix phishing scams targeting shoppers with fake emails. Stacey P received convincing scam but verified account first.

San Francisco Giants invite Jamie Grohsong to throw ceremonial first pitch at Oracle Park after he learned to play baseball with a bionic hand following an injury.

FBI warns cybercriminals are stealing family photos from social media to create fake proof of life images in virtual kidnapping scams targeting victims.

Understanding Stock Market Indexes

Stocks & Mutual Fund