Reaction

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Related to late phase reaction: Arthus reaction

Reaction

A decline in prices following an advance. Opposite of rally.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.

Reaction

A decrease in price following an increase in price. A reaction connotes a slow decline; it is the opposite of a recovery.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved

reaction

A decline in security prices following a period of rising security prices.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.
References in periodicals archive ?
The early phase reaction of allergy occurs within minutes after allergen exposure, whereas the late phase reaction occurs hours later and involves in cytokines secretion such as TNF-[alpha] and IL-4 (Goldsby et al.
Late phase reactions can suddenly appear and can be more intense than initial reaction," Dr Adeli added.
Unfortunately, they have no effect on late phase reactions. Antihistamines and nasal steroids are effective combinations to treat allergic rhinitis.