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Economic and market data that represent an overall trend. The Dow Jones Industrial Average is an example of a stock market barometer.

Barometer Stock

A stock in a well-known or highly-regarded company in a given sector. The performance of a barometer stock is considered to be an indicator of the performance of its particular sector or industry. The term "barometer stock" is chiefly British; in the U.S., the primary term is bellwether stock.


An indicator of fluctuations. For example, the S&P 500 is a barometer for stock market movements. Likewise, long-term interest rates are a barometer of inflationary expectations.
References in periodicals archive ?
During February, the barometric pressure oscillated with small amplitude (Fig.
Those who place great store in barometric pressure believe that when the pressure is between about 29.90 and 30.90 and the pressure is rapidly falling, it is time to hit the water.
The unit can either be set for station pressure or for altitude, which tracks barometric pressure.
Barometric pressure and wind (both speed and direction) go hand in hand.
Simultaneous appearance of both effects, the inverse barometric and disturbing oscillations provided a good opportunity to investigate how the extreme local pressure variations interact with the disturbing harmonic signals.
Lower barometric pressure within two or three days of the hospital visit increased the risk.
Lower barometric pressure within two or three days of the hospital visit also increased the risk of non-migraine headaches.
", W$ 30 W$ = LEFTS (W$, 1) : GOSUB 400 40 INPUT ; "What is the barometric pressure?
The sensors feature unidirectional, bidirectional, or barometric calibrations and are intended to be used with air and non-corrosive gases.
HOBOware offers a number of convenient features such as the Barometric Compensation Assistant, which provides easy pressure-to-level conversion and compensates for barometric pressure changes.
The WatchDog[R] Sprayer Station measures temperature, humidity, barometric pressure, and apparent wind speed and direction.
"A lot of pilots don't fully understand how their barometric altimeter works."