Our next example is to demonstrate the following events:
Suppose we want to draft a long term investment portfolio based on the stocks' past growth performance as a reference. The demo contains a chart started with two series, Portfolio and Average growths, and a form to input stock symbols. Basically, we enter a stock symbol in this demo and then a line series of stock growth is inserted into the chart. So we can plot multiple stock yield trends and tweak their proportion in our portfolio to observe how Average and Portfolio lines perform. The following screenshot shows the initial ...