Glib answer.... You'd get really mad at Anne Hathaway http://www.theatlantic.com/technology/archive/2011/03/does-anne-hathaway-news-drive-berkshire-hathaways-

Glib answer.... You'd get really mad at Anne Hathaway http://www.theatlantic.com/technology/archive/2011/03/does-anne-hathaway-news-drive-berkshire-hathaways-stock/72661/ http://www.theatlantic.com/technology/archive/2011/03/does-a... Longer answer, this has been done for 10+ years. Bloomberg will sell you a sentiment annotated news feed for 5 figures a month if you'd like to try.