Many traders rely on a series of technical indicators to identify market trends. Among these is the advance/decline line, which can establish whether more stocks are rising than falling at a given ...

In trading on Thursday, shares of Linn Energy LLC (NASD: LINE) entered into oversold territory, changing hands as low as $35.84 per share. We define oversold territory using the Relative Strength ...

Many ‘busy’ indicators for use in telephone systems present undesirable loading of the telephone line. Some circuits are very simple indeed to the extent of only loading the line when it is not in use ...

With the aid of an (old) moving coil instrument it is very little effort to make a simple voltmeter that, at a glance, indicates the status of a telephone line. Because the input impedance of this ...