public ActionResult QuoteHistory()
        {
            StockEngine engine = new YahooStockEngine();

            DateTime lastWeek = DateTime.Today.AddDays(-7);
            IEnumerable <QuoteViewModel> model = engine.AllQuotesAfter(lastWeek)
                                                 .OrderByDescending(x => x.CreateDate)
                                                 .OrderBy(x => x.Symbol)
                                                 .Select(x => new QuoteViewModel(x));

            return(View(model));
        }