De-rating
Fundamental analysisAlso called: Multiple compression, Multiple de-rating
A fall in the multiple the market will pay for a rupee of a company’s earnings, usually because expected growth or the expected duration of that growth has been revised down.
In plain terms
Price is earnings multiplied by the multiple, so the two compound. Earnings up 12% with the multiple halved is a 44% fall, in a year when nothing went wrong.