The analysis won't yield a precise prediction, but it will reveal much about the underlying health of the market.

He stuffs information packets for his clients with articles about the underlying health of the Atlanta economy and low interest rates.

He identified the lack of safe water as the town's major underlying health care problem.

Financial analysts and investors are increasingly questioning what the spending levels say about the underlying health of the Big Three.

"Basically, what they are saying is the underlying health of the economy was very good pre-hurricane and pre-spike in energy prices," he said.

Chief executives worry about the share prices rather than the underlying health of the business.

They often have better underlying health, an effect known as "healthy volunteer bias."

There were 29 deaths confirmed, although the majority of these had 'underlying health issues'.

Experts said there were several possible ways that a person's feelings might be a good indicator of his or her underlying physical health.

The rally in Asian stock markets is all the more remarkable because it bears no relation to the underlying health of the economies.