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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 ?
The respondents of the study were asked 2 knowledge-based awareness questions on the burden of antimicrobial resistance in the community, and the rate of resistance of Klebsiella pneumoniae and pseudomonas aeruginosa to cephalosporin in their hospital.
One overview Arnold and her colleagues looked at tallied 210 papers (up through May 2015) that have reported some form of antimicrobial resistance in free-ranging animals.
The health officials agreed to improve collection and sharing of information on antimicrobial resistance to guide effective policies and actions; to strengthen and harmonize regulation of production, sale and use of antibiotics and other antimicrobial medicines; and to take innovative approaches to stimulate research and development of new antibiotics, diagnostic tests, vaccines and other technologies.
In its most recent paper, the Review has identified specific measures that could provide a starting point for the fight against antimicrobial resistance.
coli from humans and several other animal species, only a limited number of studies published to date have examined the frequency of antimicrobial resistance and/or the mechanisms of antimicrobial resistance in commensal and pathogenic E.
The main reason behind antimicrobial resistance is the extensive and often unnecessary use of antibiotics.
National Antimicrobial Resistance Monitoring System retail meat annual report, 2011 [cited 2013 Jul 1].
The European Union has invested some 800 million in research on antimicrobial resistance, particularly through the Innovative Medicines Initiative (IMI).
Her report states: "There is a need for politicians in the UK to prioritise antimicrobial resistance as a major area of concern, including on the national risk register (specifi-cally the National Security Risk Assessment) and pushing for action internationally as well as in local healthcare services.
Antimicrobial resistance is as ancient as antimicrobial agents, as it protects both antimicrobial-producing microbes from their own products and competitor microbes from antimicrobial attack in nature.
The topic of antimicrobial resistance can be subtle, complex, difficult and polarizing.
Summary: ABU DHABI - Antibiotic resistance in the emirate and the spread of multidrug-resistant organisms has reached "very concerning high level", according to the preliminary results of the Surveillance Programme for Antimicrobial Resistance.

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