Reaction

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Related to dark reaction: Calvin cycle, photosynthesis

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 ?
Because the oxygen concentration was too low during dark reactions of plants, a swift decline of current was observed but it was gradually increased as the rate of photosynthesis and oxygen increased during day times.
The capturing light of--and producing energy-rich compounds in--a plant are divided into the light reaction and the dark reaction (or light-independent reactions) of photosynthesis.
There are two parts to photosynthesis -- a light reaction and a dark reaction. The light reaction converts light energy to chemical energy and must take place in the light.
Further, cationic photopolymers are characterized by the so-called dark reaction [3], occurring even after the light source has been removed.