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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.


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.


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.

References in periodicals archive ?
Patients with baseline forced expiratory volume in one second (FEV1), the standard measure of lung function, <20 percent to 55 percent predicted experienced 56 percent improvement in FEV1 from baseline after the first 1.
of the Allergy and Asthma Center of El Paso, will present data from an analysis of patients on zileuton 600 mg or placebo stratified into two subgroups determined by baseline percent of predicted normal forced expiratory volume (FEV(1)), a measure of lung function.
The primary study end point was trough forced expiratory volume in 1 second ([FEV.
Qualifying spirometry values are a forced expiratory volume in the first second or forced vital capacity of [is less than or equal to] 80% of predicted using the Knudsen 1983 lung function predicted equations (44).
Thorax," January 2000: British researchers found that apple eaters had better lung function than non-apple eaters, as measured by forced expiratory volume.
The PHT eSense PiKo relies on a wireless personal area network to integrate objective measurement of respiratory function (Peak Expiratory Flow or PEF as well as Forced Expiratory Volume or FEV1) with eDiary entries by subjects in clinical trials on their experiences (symptom impact and behavior).
The other primary end point was improvement in lung function as reflected in mean change from baseline in forced expiratory volume in 1 second ([FEV.
0 enhancements is the addition of clinical measurements used for the diagnosis of asthma and assessment of progress under treatment, namely Forced Expiratory Volume in 1 second (FEV1), and Forced Vital Capacity (FVC).
Both posters contained data from 483 asthma patients stratified into two patient groups, those with baseline forced expiratory volume (FEV(1)), a measure of lung function, of greater than 60%- less than 80% (n=257) and those with FEV(1) of less than or equal to 60% (n=226).
2, the average forced expiratory volume in 1 second ([FEV.
The study's primary objective was to evaluate the relative change in pulmonary function from baseline, as defined by the percentage of predicted forced expiratory volume at one second (FEV1).
The studies included 3,668 patients with COPD and a forced expiratory volume in 1 second ([FEV.

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