DEFINITION of 'Weighted'
A mathematical process by which figures and/or components are adjusted to reflect importance by value or proportion. A weighted average, for example, takes into account the proportional relevance of each component, instead of measuring each individual component equally. For example, the Dow Jones Industrial Average (DJIA) is a priceweighted average that compares each security based on the stock's price relative to the sum of all the stocks' prices. The Nasdaq, on the other hand, is a market capitalization weighted index, where each company is measured relative to its market value.
Where the DJIA and Nasdaq indexes utilize weighting in their calculation to more closely approximate the effect that changing stock prices will have on the overall market, weighting can also be used to help evaluate the past and current prices of individual instruments through technical analysis.
INVESTOPEDIA EXPLAINS 'Weighted'
Emphasis can be placed on the more pertinent data through weighting; this method is used frequently in the investing and accounting world. A weighted moving average, for example, places additional emphasis on the most recent data, thereby providing a better view of current market activity. Similarly, a weighted alpha measures how much a stock has risen or fallen over a certain period, placing more emphasis on recent activity. Since more focus is placed on the current period, the calculation provides a more relevant measure for shortterm analysis. Other weighted metrics include weighted average cost of capital, weighted average coupon, and time weighted average annual rate of return.

Nasdaq
A global electronic marketplace for buying and selling securities, ... 
Weighted Alpha
A weighted measure of how much a stock has risen or fallen over ... 
Mean
The simple mathematical average of a set of two or more numbers. ... 
Weighted Average Market Capitalization
A stock market index weighted by the market capitalization of ... 
American Stock Exchange  AMEX
The thirdlargest stock exchange by trading volume in the United ... 
Market Capitalization
The total dollar market value of all of a company's outstanding ...

Mutual Funds & ETFs
Introduction To Fundamentally Weighted Index Investing
If you believe the market smiles on those who focus on value, growth or income, this vehicle may be for you. 
Bonds & Fixed Income
How Now, Dow? What Moves The DJIA?
Find out how this index tracks market movements and where it falls short. 
Active Trading Fundamentals
Weighted Moving Averages: The Basics
We take a closer look at the linearly weighted moving average and the exponentially smoothed moving average. 
Mutual Funds & ETFs
Index Investing
Get to know the most important market indices and the pros and cons of investing in them. 
Investing Basics
Explaining Market Value of Equity
Market value of equity is the total value of all the outstanding stock as measured in the stock market at a particular time. 
Investing Basics
What is Spread?
Spread has several slightly different meanings depending on the context. Generally, spread refers to the difference between two comparable measures. 
Economics
What is the Breakeven Point?
In general, when gains or revenue earned equals the money spent to earn the gains or revenue, you’ve hit the breakeven point. 
Stock Analysis
What is the PricetoSales Ratio?
The pricetosales ratio is an indicator of the value placed on each dollar of a company’s sales or revenues. 
Investing Basics
What is Treasury Stock?
Treasury stock is a company’s own stock that it holds in its treasury for later use. 
Investing Basics
What is a MidCap?
Midcap companies are those with a market capitalization between two and $10 billion.