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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 ?
Begg, "The influence of hospital volume on survival after resection for lung cancer," New England Journal of Medicine, vol.
"The Influence of Hospital Volume on Survival after Resection for Lung Cancer." New England Journal of Medicine 345 (3): 181-88.
But we could not find any relationship between hospital volume and 30-day risk-adjusted mortality rates (1.3% in low, 1.0% in medium and 1.1% in high volume hospitals) following PCI in Korea (Table 4).
Cases and incidence rates of hospital-onset MRSA infection by volume of hospital, at 29 acute care hospitals, Connecticut, USA, 2001-2010 * Hospital volume No.
"In an era of diminishing marketing resources, it is irresponsible for marketing officers to squander hospital resources or allocate resources to marketing actions that cannot be measured for their effectiveness in their impact on hospital volume and revenue." Without bottom line results, marketing becomes a dispensable commodity
Consultants at the conference also noted that hospital volume for profitable procedures, not surprisingly, tends to go up over time compared to volume for less profitable procedures.
In yet another study of the relationship between experience and outcomes, hospital volume was found to inversely relate to surgical mortality.
The benefits of specialist care were too intertwined with hospital volume and patient characteristics to allow any hard-and-fast conclusions, he says.
Effects of surgeon volume and hospital volume on quality of care in hospitals.
They find a strong negative relationship between hospital volume and mortality rates.
An association between hospital volume and outcomes has been noted for many conditions and procedures (Luft et al., 1990; Flood and Scott, 1987).
The implanting physician's across-hospital degree was more strongly correlated with physician volume compared with hospital volume ([rho] = 0.39 and 0.07, respectively).

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