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TODAY IN HISTORY

    THE FIRST IRON LUNG
    July 29, 1927 - United States

    (Electric Respirator) was installed at Bellevue hospital in New York for the post war polio epidemic. The first iron lung was developed at Harvard University by Phillip Drinker and Louis Agassiz Shaw built with two vacuum cleaners. The iron lung is a negative pressure machine which surrounds the patient's body except for the head, and alternates a negative atmospheric pressure with the ambient one, resulting in rhythmic expansion of the chest cage (and thus inhalation) in response to the negative extra thoracic pressure. During periods of ambient extrathoracic pressure, the lungs deflate. This type of machine is rarely used today.

    AMERICA'S FIRST ASPHALT PAVEMENT
    July 29, 1870

    Was laid in Newark, N.J. Previously, coal tar was used for many pavements laid in the 1860s. The first recorded asphalt pavement in the U.S. was a sand mix placed in front of the City Hall in Newark, N.J., in 1870. Edmund J. DeSmedt, a Belgian chemist (who became the inspector of asphalt and cements for the District of Columbia) held a U.S. patent for this asphalt paving method, granted on 31 May 1867. In that century most roads, even in cities, were wide dirt pathways, severely affected by weather. Smooth surfaced asphalt roads originally were for the benefit of bicyclists. By 1904, only 141 miles were surfaced, but commonplace by 1916. Natural asphalt deposits were originally used, but almost all of the asphalt used commercially is now made from petroleum.

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Whipsaws In The Market :

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ARTICLE INFORMATION :

A whipsaw is a representation of profit-taking going on in the market.

ARTICLE CONTENT :

One of the factors to consider when trading with stop-losses is whipsaws. Whipsaw is the name given to the tiny and regular market movements during trends. For example, when a share is in an overall bull trend, it will periodically turn over and fall in price for a couple of days, before resuming it's general upwards trend. This is a whipsaw. A whipsaw is a representation of profit-taking going on in the market.

People who have made a good profit on the share after it has had a strong rally up are now selling to realise that profit. Their selling pressure temporarily halts the upward bull trend. The market absorbs these sellers with an abundance of buyers and then the share continues its bull run. Whipsaws exist in bear markets too. One of the threats of using stop losses is the risk of being; Whipsawed-out; of the market.

If the whipsaw is greater than your stop loss, then you may end up selling before the share reaches its actual peak. This is just one of the realities of share trading. It will definitely happen to you. It happens to the best of us. All you can do is to develop a series of selling strategies to complement your stop loss. Serious traders have been known to use up to and over 5 different selling indicators on each trade. All indicators must be positive before they will sell the share. Even then, it only improves their trading, it doesn't make it 100% reliable. For most people, though, just using a stop loss will go a long way to improving their trading results.

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  • Spectrum Live
    Forex, forex options, fx options trading platform. Online Trading platform, online trading software.

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  • November 28, 2014Date Added :
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