Live Stocks

                                +------------------------------------------------+
                                |                                                |
                                |                                                |
                1. Incoming     |     +------------+                             |
+------------+     Websocket    |     |            |                             |
|            |                  |     | Subscriber |                             |
|            +------------------------> Parent     |                             |
|   Client   |                  |     |            |                             |
|            <----------+       |     +-----+------+                             |
|            |          |       |           |                                    |
+------------+          |       |           +------------+ 2. Create subscriber  |
                        |       |                        |                       |          +----------------+
                        |       |                 +------v-----+    Polls every  |          |                |
                        |       |                 |            |    Second       |          |                |
                        +-------------------------+ Subscriber +---------------------------->  Yahoo API     |
                                |                 |            <----------------------------+                |
                                | 3. Return WS    |            |                 |          |                |
                                | flow to handle  +------------+                 |          +----------------+
                                | adding new stocks                              |
                                | and streaming in                               |
                                | price changes                                  |
                                |                                                |
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                                +------------------------------------------------+