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An effective upper bound on prices achieved because of many willing sellers at that price level.

Resistance Level

In technical analysis, a price that a security does not, or only rarely, rise above. Technical analysts identify a resistance level by looking at past performance. When the security approaches the resistance level, it is seen as an indication to sell the security, which will increase the supply, causing the security's price to fall back below the resistance level. If there are too many buyers, however, the security rises above the resistance level. When this occurs, the price of the security will likely continue to rise until it finds another resistance level. It is also called the overhead resistance level. See also: Price ceiling, Support (Support level).


An increased supply of a security. Compare support.


Resistance, or resistance level, is the top of a stock's current trading range, and the point at which the price is higher than investors are willing to pay. As stockholders sell at resistance level, the stock price goes down because supply exceeds demand.

For example, if, on a repeated basis, as stock A's price reaches $60, stockholders begin to sell, then $60 is considered its resistance level. But a trading range isn't fixed and investor attitudes change, so the resistance level tends to move higher or lower over time.

If stock A rises to $63 without a surge of selling, the current resistance line has been breached. This may be the result of a rising market or a bullish assessment of the stock's value. On the other hand, if selling increases at $57, that may become the new resistance level.

Conversely, the level at which demand exceeds supply and investors typically buy a certain stock is called support. It's the point that's considered the bottom of a stock's current trading range.

Technical analysts use the concepts of resistance and support in anticipating future stock price movements.

References in periodicals archive ?
Studies on Resistance Exercise and Insulin Resistance
79 and outperformed other simple measures of insulin resistance such as fasting insulin, fasting glucose, homeostatic model assessment of insulin resistance (HOMA-IR), and body mass index, which are commonly used in place of the gold-standard clamp.
Almost every day, I hear practitioners refer to metabolic syndrome and insulin resistance in the same sentence, almost as if they were synonymous.
For assessment of association between C3 and CRP with insulin resistance, Pearson correlation coefficient was used.
Whether the PTSD itself or something associated with PTSD increases the risks for insulin resistance and metabolic syndrome once PTSD is diagnosed, "these patients must be looked at a little more closely, and the risk factors in general have to be controlled a little bit more vigilantly" said Dr.
Overall these findings, obtained through the collaboration of the National Cancer Institute of Naples "Pascale Foundation," with the Sbarro Institute and the University of Siena, further support the hypothesis that metabolic syndrome, and particularly abdominal fat (waist circumference more than 88cm) and insulin resistance, can be considered risk factors for developing breast cancer after menopause.
Health workers calculated insulin resistance in these women with a standard method called HOMA-IR.
IL-1[beta] induced by FFA prevents normal insulin signaling in target tissues ultimately resulting in insulin resistance and sequelae including T2D.
Using a simple tape measure, the Italian scientists found wrist circumference explained 12% of differences in levels of insulin resistance and blood insulin between children.
The researchers suspected that insulin resistance might damage these filtration cells and therefore underlie the kidney damage common to people with diabetes.
Although insulin resistance is "a pivotal pathophysiologic contributor" to cardiovascular disease, its role in ischemic stroke "is still a matter of debate," the investigators noted.
In addition to effects of oxidants and oxidative stress on atherosclerosis (3), they contribute to poor insulin action, and thus can be associated with insulin resistance (8-10).

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