During the week, our Motley Fool Twitter feed (@themotleyfool) shares lots of articles. In case you missed it, here are the top five most popular articles that were tweeted this week.
Ford, General Motors, and Chrysler all posted solid sales gains in September. However, with General Motors selling trucks like hotcakes, Ford's sales numbers simply weren't as impressive. What's behind the slower sales at Ford?
Read the article to find out why Ford might be lagging behind other American automakers.
A new service may be here to disrupt the music industry. Spotify -- a cloud-based music service -- recently launched in the U.S. and has attracted 2 million paying subscribers with its freemium model. Other music companies, such as Sirius XM Radio (NAS: SIRI) and Pandora Media (NYS: P) , might need to come up with a response, since Spotify is gaining traction domestically and already has a large base in Europe.
Read the article to see what's behind Spotify's growth.
3. @themotleyfool: What's the worst that could happen if Greece goes belly-up? (More than it already has, we mean.) Plenty: mot.ly/oG5bcs
The debt crisis in Greece continues to dominate the headlines. If we face the fact that Greece will probably default, what is the true cost of that default? Fool Sean Williams takes a look at Greek debt exposure at various European banks. And his conclusion might surprise you.
Read the article to see whether a Greek default will affect the world economy.
On Tuesday, we covered Apple's iPhone event. Everyone expected the announcement of the iPhone 5, but instead we were treated to the iPhone 4S. Apple also unveiled several new features and apps, including the much-discussed Siri.
Recently, Berkshire Hathaway (NYS: BRK.A) (NYS: BRK.B) announced that the company will repurchase shares, indicating that Berkshire stock was undervalued. Yet investors seem to be ignoring this opportunity that Buffett has presented. Fool Alex Dumortier thinks that's a big mistake.
Read his argument about why Berkshire Hathaway shares are undervalued, according to Buffett himself.
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At the time thisarticle was published The Motley Fool owns shares of Apple, Berkshire Hathaway, and Ford.Motley Fool newsletter serviceshave recommended buying shares of General Motors, Berkshire Hathaway, Ford, and Apple, as well as creating a bull call spread position in Apple. Try any of our Foolish newsletter servicesfree for 30 days. We Fools don't all hold the same opinions, but we all believe thatconsidering a diverse range of insightsmakes us better investors. The Motley Fool has adisclosure policy.
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