Facebook's advertising challenge
Amid the hype over Facebook's public trading debut, the social media network suffers a black eye as General Motors pulls its ads. A source tells Reuters they're weren't working.
Europe drags down Wall St.
Summary of business headlines: Europe worries drag down Wall Street, Housing and factory data encouraging; Facebook ups size of IPO; Crude and gold under pressure.
Legendary diamond sells at auction
A 35 carat diamond with a history reaching back more than 400 years reaches a sparkling 9.7 million USD at an auction in Switzerland.
