public ActionResult Index()
        {
            TrendModel trendModel = new TrendModel();
            trendModel.SelectedExchange= Exchange.FAKE_NASDAQ;
            trendModel.SelectedSymbolId = trendModel.Symbols.Where(x => x.Value == "1").SingleOrDefault().Value;
            trendModel.SelectedSymbolVal = trendModel.Symbols.Where(x => x.Value == "1").SingleOrDefault().Text;

            return View(trendModel);
        }
 public ActionResult Search(TrendModel trendModel)
 {
     trendModel.SelectedSymbolVal = trendModel.Symbols.Where(x => x.Value == trendModel.SelectedSymbolId).SingleOrDefault().Text;
     return View("Index",trendModel);
 }