This means that home builders have been in a depressed mood since May 2006 when this index first dropped below 50.

FORBES: Bad Housing Data Yields Opportunities

Generally, people who have the condition experience psychotic symptoms such as hallucinations, disorganized thinking and paranoid thoughts as well as a mood disturbance, such as depressed or manic mood.

CNN: Schizoaffective disorder

The last time I heard from him he was extremely depressed and in a low mood.

BBC: Stirlingshire fraudster Michael Voudouri skips court