# Momentum

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Related to linear momentum: angular momentum

## Momentum

The amount of acceleration of an economic, price, or volume movement. A trader that follows a movement strategy will purchase stocks that have recently risen in price.

## Momentum

The likelihood of a price movement to sustain itself. For example, if a price for a security begins to increase, momentum is its likelihood to continue to increase. There are various ways to measure momentum, but most involve volume in some way. Generally speaking, a gain or loss on high trading volume tends to indicate that the movement has momentum and is likely to continue.

## momentum

The tendency of a security to continue movement in a single direction. Momentum is the underlying factor in trend analysis of stock prices.
References in periodicals archive ?
The flow of linear momentum ([T.sup.33]) is positive in the first region and then jumps up on the first boundary due to the jump of the current j.
The motion is assumed to be one-dimensional, due to the conservation of the linear momentum [1, 7, 8, 14-17].
Let the entire space be divided into small regions of dimension [delta]x = [delta]y = [delta]z = [delta]l, where [delta]l is sufficiently small that any of the momentum densities, [[??].sub.pi] (x, y, z, t), can be considered constant within each region so that [[??].sub.pi](x, y, z, t) [delta][l.sup.3] is a linear momentum propagating at c in a definite direction in space.
where [mathematical expression not reproducible] are, respectively, the components of the linear momentum P in the spaces, [mathematical expression not reproducible] are all real.
Collecting all the results, Eqs (31)-(34), and substituting them into the balance of linear momentum (29), we arrive at the dispersive wave equation in the form
As a result, the centroidal dynamics can be indirectly stabilized using a simple VRPbased control law to regulate the DCM position where the commanded VRP is mapped to a corresponding linear momentum rate of change objective using Eq.
By referring to the resolved momentum control, the total momentum, including linear momentum P and angular momentum L, can be defined as 
Linear momentum equation in the radial direction for the gaseous phase:
Analysis of reported experimental data  indicates that the forward angular momentum associated with a forward fall is neutralized primarily during the impact phase, whereas the forward and downward linear momentum associated with a fall was reduced during the postimpact phase.
In this case, as the associated interaction term is negative, the particle phase delivers a linear momentum to the gas in the axial direction, decreasing the velocity of the particles.
Because the yo-yo is moving in a downward line, it builds up linear momentum (an object's mass times its velocity); but it also gains angular momentum, or momentum from rotating.

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