Tuesday, November 15, 2011

Stock Ticker's Birthday

Photo of early stock ticker courtesy FreeImagesLive.co.uk

The stock ticker is 144 years old today.  Prior to this invention by Edward Augustin Calahan (1838-1912), information from the New York Stock Exchange was delivered by mail or messenger.

For more information in addition to the above links, see the article at History.com.

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