Plotted points on a graph are referred to as coordinates. Coordinates are pair of numbers written in the form \(({x},~{y})\) where \({x}\) is the amount moved horizontally, and \({y}\) the amount ...

You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

Investors who read stock charts can use moving averages, price action and volume signals to sell stocks. Add to that toolbox a simple straight line. If a stock breaks its long-term price trend, that's ...