Dear- I used to use yahoo.com to retrieve old data, such as DowJones in 1929. But recently they do NOT provide old data, if I am correct. Where can I find old data, such as big drop data in 1929 and 1987 ? Thanks.
If you want just a chart there are many. http://stockcharts.com/freecharts/historical/djia19201940.html http://www.chartsrus.com/ http://www.chartsrus.com/charts.php?image=http://www.sharelynx.com/chartsfixed/USDJIND1930.gif http://www.chartsrus.com/charts.php?image=http://www.sharelynx.com/chartsfixed/USDJIND1987cr.gif For daily closing prices http://measuringworth.com/DJA/
Simple Google search finds daily downloadable DJIA data back to 1896 at Polish web site Stooq. http://www.historicaldatadirectory.com/2013/05/dow-jones-djia-historical-data-download.html The .csv data file is 1.287 MB.