Code cleanup.

MarketData/MarketDataLib/DataAccess/AnalystRatingsDA.cs

@@ -524,6 +524,7 @@ namespace MarketData.DataAccess
       try
       {
         if (null == analystRatings || 0 == analystRatings.Count) return true;
+        analystRatings = new AnalystRatings(analystRatings.DistinctBy(x => new {x.Symbol, x.Date.Date, x.BrokerageFirm}).ToList());
         sqlConnection = SqlUtils.CreateMySqlConnection(MainDataSource.Instance.LocateDataSource("market_data"));
         sqlTransaction = sqlConnection.BeginTransaction(System.Data.IsolationLevel.ReadCommitted);
         DeleteAnalystRatings(analystRatings, sqlConnection, sqlTransaction);