|      3  |      3  | 
|      4 //two test portfolios |      4 //two test portfolios | 
|      5  |      5  | 
|      6 val blchip_portfolio = List("GOOG", "AAPL", "MSFT", "IBM", "FB", "YHOO", "AMZN", "BIDU") |      6 val blchip_portfolio = List("GOOG", "AAPL", "MSFT", "IBM", "FB", "YHOO", "AMZN", "BIDU") | 
|      7 val rstate_portfolio = List("PLD", "PSA", "AMT", "AIV", "AVB", "BXP", "CBG", "CCI",  |      7 val rstate_portfolio = List("PLD", "PSA", "AMT", "AIV", "AVB", "BXP", "CBG", "CCI",  | 
|      8                             "DLR", "EQIX", "EQR", "ESS", "EXR", "FRT", "GGP", "HCP")  |      8                             "DLR", "EQIX", "EQR", "EXR", "FRT", "GGP", "HCP")  | 
|      9  |      9  | 
|     10  |     10  | 
|     11 // (1) The function below should obtain the first trading price |     11 // (1) The function below should obtain the first trading price | 
|     12 // for a stock symbol by using the query |     12 // for a stock symbol by using the query | 
|     13 // |     13 // |