Investors still aren't thirsting for high-quality companies with fit finances.

Q: Is there any relationship between the value of stocks and bonds? – E. Phong, Houston A: Without a doubt, there is a relationship between equities and fixed income, but as you'd expect it’s complicated....

What Facebook has that Twitter wants: 1 billion more users and an advertising strategy.

A Q&A with Vanguard Group founder Jack Bogle, the creator of the first retail index fund.

A fake story about Twitter selling for $31 billion sent shares soaring on Tuesday. In reality, slowing growth and a CEO search have been weighing on the stock.

There's a difference between risk and uncertainty—and one is much scarier. Just ask the King of France.