###Stock Market It is a virtual stock trading system for whoever wants to learn how to invest in stocks. The system uses real-time pricing via Yahoo finance API and supports USD currency only.

The system has two features:

• Buying stockss

Request
“stockSymbolAndPercentage”: string (E.g. “GOOG:50%,YHOO:50%”)
“budget” : float32

Response
“tradeId”: number
“stocks”: string (E.g. “GOOG:100:$500.25”, “YHOO:200:$31.40”)
“unvestedAmount”: float32

• Checking your portfolio (loss/gain)

Request
“tradeId”: number

Response
“stocks”: string (E.g. “GOOG:100:+$520.25”, “YHOO:200:-$30.40”)
“currentMarketValue” : float32
“unvestedAmount”: float32

The system has 2 components: client and server.

• server: the trading engine has JSON-RPC interface for the above features.
• client: the JSON-RPC client takes command line input and send requests the server.