Reaction

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Reaction

A decline in prices following an advance. Opposite of rally.

Reaction

A decrease in price following an increase in price. A reaction connotes a slow decline; it is the opposite of a recovery.

reaction

A decline in security prices following a period of rising security prices.
References in periodicals archive ?
Arias-Stella Reaction.--Arias-Stella reaction is discussed in detail in the section Invasive Endocervical Adenocarcinoma" as this lesion typically causes problems in differential diagnosis with clear cell carcinoma.
(29) Clear cell carcinoma must be distinguished from other tumorlike conditions containing clear cells such as (1) Arias-Stella reaction; (2) microglandular hyperplasia; and (3) mesonephric hyperplasia; as well as (4) carcinomas containing clear cells (squamous cell carcinoma and metastatic clear renal cell carcinoma).
However, patients with Arias-Stella reaction usually have a history of recent pregnancy or hormonal therapy, and the lesion typically is an incidental finding (often in a polyp).