The App used to display pre-defined 70 stock symbols intra-data chart.
The intra-data including 5 minutes candle stick data(open price, high price, low price, and close price),15 minutes data, 60 minutes data and daily data.
"Update price" will refresh latest close price for pre-definded stock symbols,5-min,15-min,60-min and daily button will switch to candle stick chart.