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    TRANSISTOR RADIO
    December 23, 1947 - Bell Laboratories

    Greece 1947 USA Transistor Radio December 23rd, 1947 : Bell Labs demonstrates the worlds first Transistor Radio, Bell had also created the first transistor just a few months earlier. Many companies have claimed and are attribeted as the worlds first including Texas Instruments, Sony and the German firm Intermetall but it depends on how you view the quality of the radios , so I will leave that to others to judge.

    TRANSISTOR
    December 23, 1947 - Bell Laboratories, U.S.A.

    The transistor was first demonstrated by Walter H. Brattain and John Bardeen to their higher-ups at Bell Laboratories. A microphone and headphones were connected to the transistor, and the device was actually spoken over "with no noticeable change in quality" as Brattain wrote in his notes about that day. The name transistor came from its electrical property known as trans-resistance. The original device, which the researchers first had working on 16 Dec 1947 was a point-contact version, which was later improved by William Schockley as a junction transistor. The inventors shared the 1956 Nobel prize in physics for their work. The transistor replaced the bulkier vacuum tube, and was referred to as the electronic engineer's dream.

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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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