道瓊斯運輸業平均指數

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道瓊斯運輸業平均指數(Dow Jones Transportation Average，DJTA)

　　道瓊斯運輸業平均指數指的是以美國泛美航空公司、環球航空公司、國際聯運公司等20傢具有代表性的運輸業公司股票為編製對象的運輸業股價平均數。於1884年始創，是20種在美國買賣的交通業股票的股價加權平均。是道瓊斯公司(Dow Jones & Co.)根據美國20家最大的航空，公路，鐵路和貨運公司的股票價格計算的加權平均指數。 　　 　　它包括著20種有代表性的運輸業公司的股票，即8家鐵路運輸公司、8家航空公司和4家公路貨運公司。

The Dow Jones Transportation Average (also called the "Dow Jones Transports;" DJTA) is the oldest U.S. stock market index.

　　Overview：

The Dow Jones Transportation Average (DJTA) is the most widely recognized gauge of the transportation sector. It is also the oldest index used today, even older than its more famous brother, the Dow Jones Industrials (DJIA). The Transportation Average was the first stock index developed by Charles Dow in 1884. At inception, the index held only nine stocks (all railroads). In 1896 it was modified to include 20 “active” stocks, including 18 railroads. (As you can probably guess, automotive and airline stocks were not added to the index until much later.) The index is often referred to simply as the Dow Jones Transports.

　　Composition：

The Dow Jones Transportation Average is composed of 20 stocks that are chosen to represent the transportation industry. Like other Dow Jones Averages, it is a price-weighted index. This means that a firm's weighting in the index is determined by its share price, not by its market capitalization.

• Alexander & Baldwin, Inc. (ALEX) (shipping)

• AMR Corporation (AMR) (major airlines)

• Burlington Northern Santa Fe Corp. (BNI) (railroads)

• C.H. Robinson Worldwide, Inc. (CHRW) (air delivery & freight services)

• Con-Way, Inc.(CNW) (trucking)

• Continental Airlines, Inc. (CAL) (major airlines)

• CSX Corp. (CSX) (railroads)

• Expeditors International (EXPD) (air delivery & freight services)

• FedEx Corporation (FDX) (air delivery & freight services)

• GATX Corp. (GMT) (rental & leasing services)

• JB Hunt Transport Services, Inc. (trucking)

• JetBlue Airways Corp. (JBLU) (regional airlines)

• Landstar System, Inc. (LSTR) (trucking)

• Norfolk Southern Corp. (NSC) (railroads)

• Overseas Shipholding Group, Inc. (OSG) (shipping)

• Ryder System, Inc. (R) (rental & leasing services)

• Southwest Airlines, Inc. (LUV) (regional airlines)

• Union Pacific Corp. (UNP) (railroads)

• United Parcel Service, Inc. (UPS) (air delivery & freight services)

• YRC Worldwide Inc. (YRCW) (trucking)

(last change September 16, 2005)

　　History：

It was created on July 3, 1884 by Charles Dow, co-founder of Dow Jones & Company, as part of the "Customer's Afternoon Letter". At its inception, it consisted of eleven transportation-related companies: nine railroads and two non-rail companies. They were the following:

• Chicago, Milwaukee and St. Paul Railway

• Chicago and North Western Railway

• Delaware, Lackawanna and Western Railroad

• Lake Shore and Michigan Southern Railway

• Louisville and Nashville Railroad

• Missouri Pacific Railway

• New York Central Railroad

• Northern Pacific Railroad preferred stock

• Pacific Mail Steamship Company (not a railroad)

• Union Pacific Railway

• Western Union (not a railroad)