We call it the zigzag theory. You want to find something that zigs and something that zags and blend them together to get a better combined performance.

One of the things that launched the strength in biotech is when the pharmaceutical industry itself got a little slow.

If you go back to 2001, the market had two violent short covering rallies then, although I know the market didn't officially get going until March 2003.

As a rule, bond funds will not double your money overnight.

My original aim after 'The X Factor' was to earn enough money in a year to make the whole experience worth it - you know, buy a car, a flat.

I'm looking for backing for an unauthorized auto-biography that I am writing. Hopefully, this will sell in such huge numbers that I will be able to sue myself for an extraordinary amount of money and finance the film version in which I will play everybody.

I think whatever you love the most is where you should spend your money.

Ask a science professor what she worries about. It won't take long. She'll look you in the eye and say one word: 'Money.'