Stock Observer About A Node.js app that displays recent trends for stocks. Created using express, mongoDB, Highcharts and socket.io Usage You can add new stocks by their symbol name. You can remove stocks. You can view a graph displaying the recent trend lines for each added stock. You can use the scroll bar at the bottom to navigate through the graph. You can set the date range for graph display using the input fields on top right. You can download the chart in various formats using the button in top right corner. You can set different levels of zoom using the buttons on top left. You can see changes in real-time when any other user adds or removes a stock.