Reaction

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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 ?
We note that there is a pursuit for a GAS vaccine effective in different regions of the world, but because of great variability of emm types in different regions and little cross reaction among heterogeneous serotypes, such a universally valid vaccine is unlikely to achieve.
In addition, it has recently been proved that anti-CagA antibodies have a cross reaction with respect to in vitro cytotrophoblast cells and they reduce their invasiveness ability [23].
Implicated in these discrepancies have been cross reaction with globulins and the use of heparin.
Immunoblot cross reaction among Rickettsia, Proteus and Legionella spp in patients with mediterranean spotted fever.