private StockTradeObject GetLatestTradeObject(Stock.StockTrade stockTrade)
        {
            try
            {
                return stockTrade.GetTodayStockInfo();
                //return stockTrade.GetStockInfoByDate(new DateTime(2014, 07, 18));
            }
            catch (System.Net.WebException webEx)
            {
                stockTrade.UpdateUrl();

                if (webEx.Status != System.Net.WebExceptionStatus.Timeout)
                {
                    // NameResolutionFailure
                }

                // 尚未實作例外錯誤紀錄
                ExceptionList.Add(Tuple.Create(DateTime.Now, webEx as Exception));
            }
            catch (Exception ex)
            {
                // 尚未實作例外錯誤紀錄
                ExceptionList.Add(Tuple.Create(DateTime.Now, ex));
            }
            finally
            {
                LastGetStockInfoTime = DateTime.Now;
            }

            return null;
        }