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An effective upper bound on prices achieved because of many willing sellers at that price level.
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.

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).
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved


An increased supply of a security. Compare support.
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.


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.

Dictionary of Financial Terms. Copyright © 2008 Lightbulb Press, Inc. All Rights Reserved.
References in periodicals archive ?
Nowadays, concerns about antibiotic resistance have been increased particularly among Gram negative pathogens producing the ESBL enzymes.
Therefore, two more antibiotics are added in the ESBL detection pattern of PCDDT.
In present work shows that, 37 cases of E.coli and 11 cases of Klebsiella produce Extended Spectrum [beta]-lactamases (ESBL).
Due to the high prevalence of certain enzymes, co-production of ESBL enzymes was observed in a large proportion of our isolates (93%).
Our study validates a simple and highly sensitive phenotypic method for the detection of ESBL production in E.
Table 1 compares the percentages of ESBL among males, females, and different age groups.
The extended spectrum [beta]-lactamases often remain undetected by the current isolation and susceptibility methods as ESBLs have different levels of activity against various cephalosporins.
Klebsiella spp had the highest prevalence for ESBL + MBL (38.9%), but only one isolate showed simultaneous production of AmpC + MBL enzymes (2.8%).
With respect to the association between ESBL production and the MDR phenotype, our data showed that all the 33 ESBL-positive E.
During the study period 21.6% of Enterobacteriaceae identified in this healthcare facility were ESBL positive which is lower than the 36-41% previously reported in studies from the UAE [4, 5].
Records and profiles of discharged patients who received cefepime, levofloxacin, or carbapenem for ESBL pathogens within the specified time span were identified by the microbiology lab department.
ESBL production of the isolate was screened according to CLSI breakpoints for cefpodoxime, ceftazidime, aztreonam, cefotaxime, and ceftriaxone.