Financial Times
No FT, no comment as the newspaper's marketing goes. Inside you'll find companies news and special business related features which the editorial staff run on a regular basis.
The Economist
Probably the most authoritative business/news weekly on the market. The Economist includes regular articles on business and the internet, as well as other topical stories.
This is London
A fact filled business news site, This is London updates its stories on a hourly basis. The site also includes the latest stock prices and any breaking business news.
Bloomberg
Visit bloomberg.com for news on the financial markets, exchange rates, equities and bonds. Also get access to financial tools that you can use free of charge including creating customised graphs.