Yahoo! Finance

Yahoo! Finance provides a variety of RSS feeds on various finance news topics including top stories, most viewed stories, stories by industry and sector, as well as dynamic feeds for company and industry news based on company ticker symbol. All the Finance Columnists also have feeds available. Subscribe to these feeds in My Yahoo! or your favorite RSS news aggregator or use the content in the RSS feed in your own web site or client application
More information: http://developer.yahoo.com/finance/