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This is the daily number of shares of a security that change hands between a buyer and a seller. Also known as volume traded. Also see Up volume and Down volume.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.


The amount of trading sustained in a security or in the entire market during a given period. Especially heavy volume may indicate that important news has just been announced or is expected. See also average daily volume.
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.


Volume is the number of shares traded in a company's stock or in an entire market over a specified period, typically a day.

Unusual market activity, either higher or lower than average, is typically the result of some external event. But unusual activity in an individual stock reflects new information about that stock or the stock's sector.

Dictionary of Financial Terms. Copyright © 2008 Lightbulb Press, Inc. All Rights Reserved.
References in periodicals archive ?
According to a study from Canada, life-threatening high serum potassium levels, presence of pulmonary edema due to hypervolemia, and severity of edema are the criteria considered by clinicians during HD initiation.
The data show that elderly hypertensive subjects present HR decrease during immersion at rest that can be attributed to central hypervolemia, which stimulates the cardiopulmonary receptors reducing sympathetic nerve activation (26,29).
Conversely, spontaneous normalization of amniotic fluid volume is generally perceived as an encouraging sign because it suggests that chronic hypervolemia has abated (7).
When inducing MIH with the infusion of cold fluids, to use lower volumes and possibly prevent complications due to hypervolemia, temperature of the fluid needs to be as low as possible.
Acute decompensated heart failure occurred in 12 patients, 10 of which had precipitating factors (infection, hypervolemia, hypertension, or anemia), and 6 of them accepted mechanical ventilation.
Chronic exposure to CO shows a systemic compensatory process of response to hypoxia, which includes erythrocytosis, hypervolemia, and cardiomegaly.
Hyponatremia results in hypervolemia because damaged kidneys cannot maintain osmotic gradient due to water accumulation in plasma (Thrall 2005).
A relative plasma hypervolemia during the summer also seems to be linked with increases in temperature and/or physical activity.
Avoidance of systemic hypotension, hypo or hypervolemia, hypoxia, hypercarbia, hypothermia, and acidosis are key factors during the maintenance of anesthesia in these patients.
Guyatt et al., "Biofeedback dialysis for hypotension and hypervolemia: a systematic review and meta-analysis," Nephrology Dialysis Transplantation, vol.