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The '''Dow Jones Industrial Average''', commonly known as the '''[[Dow Jones]]''' or simply the '''Dow''', is a [[stock]] price index based on 30 prominent [[stocks]] on the [[New York Stock Exchange]]. [[File:Dow1925-2009.jpg|400px|thumb|Dow Jones index since 1925, in constant 2009 dollars]]  The DJIA can be traded under the stock symbol DIA.  The other two major indexes are the "S&P500" (which can be traded under the symbol "SPY") and "NASDAQ" (the trading symbol "QQQ" somewhat tracks that index).

The '''Dow Jones Industrial Average''', commonly known as the '''[[Dow Jones]]''' or simply the '''Dow''', is a [[stock]] price index based on 30 prominent [[stocks]] on the [[New York Stock Exchange]]. [[File:Dow1925-2009.jpg|400px|thumb|Dow Jones index since 1925, in constant 2009 dollars]]  The DJIA can be traded under the stock symbol DIA.  The other two major indexes are the "S&P500" (which can be traded under the symbol "SPY") and "NASDAQ" (the trading symbol "[[QQQ]]" somewhat tracks that index).

The strength of this basket of these 30 stocks as an investment tool is in the additional productivity of having multiple approaches to a challenge.  Our [[Template:Mainpageleft|Mainpageleft]], with its collection of roughly 135 key entries, illustrates a similar approach to developing helpful insights.

The strength of this basket of these 30 stocks as an investment tool is in the additional productivity of having multiple approaches to a challenge.  Our [[Template:Mainpageleft|Mainpageleft]], with its collection of roughly 135 key entries, illustrates a similar approach to developing helpful insights.