A high ratio, like the 80 percent level reached last December, indicates that more investors believe the market is heading for a decline.

A higher ratio indicates stronger demand for the notes.

A ratio which falls too low indicates a company in poor health.

A higher ratio indicates potentially more risk for investors.

A low student-teacher ratio and a high expenditure per student could indicate a large enrollment of special education students.

A ratio above 1.0 indicates that demand has continued to increase.

A ratio above 2.0 indicates a successful auction with aggressive bids.

A higher ratio indicates that a company has less control over costs of providing medical care.

A ratio above 1 indicates that demand is increasing.

This ratio indicates how long you hold stock before selling.