Use Yahoo! Quotes Data Source with this Stock Explorer Driver!
This database driver pulls in free historical quotes for Stock Explorer from http://finance.yahoo.com. It includes over 20 thousand stocks from all major U.S. and Canada exchanges, with new quotes delayed by 20 minutes. The driver caches all downloaded data, which can then be viewed off-line at any time. The driver systematically minimizes network usage and allows incremental updates after the initial bulk download.