private async Task LoadStockAsync()
        {
            try
            {
                IsLoading = true;
                var symbols = await ClientApi.GetSymbols();

                if (symbols != null)
                {
                    Collection.Clear();
                    foreach (var symbol in symbols)
                    {
                        string typeName;
                        if (Security.TypeDictionary.TryGetValue(symbol.Type.ToUpper(), out typeName))
                        {
                            symbol.Type = typeName;
                        }
                        Collection.Add(symbol);
                    }
                }
                Content = $"Last Loaded: {DateTime.Now.ToString()}";
            }
            catch (Exception ex)
            {
                GetService <IMessageBoxService>()?.ShowMessage("An error occurred getting symbols data");
                //Log.Error(ex);
            }
            finally
            {
                IsLoading = false;
            }
        }