For example, the chart on this page will be in real time each time you refresh the page during trading hours.

http://finance.yahoo.com/q?s=wday

Try FreeStockCharts (http://www.freestockcharts.com). And since it is real-time, you will not have to keep refreshing the page.

google finance

For example, the chart on this page will be in real time each time you refresh the page during trading hours.

http://finance.yahoo.com/q?s=wday