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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 ?
The levels of cortisol, ERs, and VTG increased in FW (Figure 5), supporting the findings of previous studies (Rayner and Trayhum, 2001; Nagasaka et al.
We documented a significant induction of vtg in male fathead minnows after a 21-d exposure to the MWPCF effluent.
2], T, and VTG, female 11KT values were elevated during the nonspawning season, October through March.
VTG concentrations measured in plasma samples were similar to those found in other wastewater effluent evaluations in Europe and the United States.
Body plethysmograph measurements for VTG or FRC are always slightly higher than normal becasue esophageal volume is included in the measurement.
Specializing in delivering reliable, scalable and configurable responses in support of our customers' telecommunications and security requirements enables VTG to deliver quality services with outstanding customer satisfaction.
2] at a concentration of 10 ng/L, which has previously been found to induce a maximum VTG response (Panter et al.
Maternal transfer of EDCs may also occur in fish, when pollutants are co-transported with VTG into the developing oocyte (Gray et al.
To confirm that white perch are being exposed to estrogenic substances, plasma was collected from adult white perch from Cootes Paradise and analyzed for the presence of the egg yolk protein VTG.
4 [micro]g/L treatment, 80% of the females had VtG oocytes and 20% were at the postovulatory or spawning stage.
2] or bind directly to the ER, the result is an increase in the circulating levels of Vtg and choriogenin proteins.
Engineered to improve fuel economy and reduce emissions, BorgWarner s VTG turbochargers boost the performance of the 55 kW (75 PS) and 66 kW (90 PS) diesel engines.