Timeframe - Moving down the left hand side of the chart you find all the graphing tools you need to examine a stock. By default the charting will open up a 3 month chart.

If you want to see a longer or shorter period, click on any of the buttons available. You can view 1 month, 3 month, 6 month, 1 year, 5 year and 10 year charts.

Alternatively, you can view any custom period that interests you. Change the date in the From and To feilds then click on the Redraw button to refresh the chart.