// GET: Portfolios
        public async Task <IActionResult> Index()
        {
            var currentUser = await _userManager.GetUserAsync(User);

            var portfolioList = await _context.Portfolios.Where(m => m.AppUser == currentUser).ToListAsync();

            var updatedList = new List <PortfolioIndexViewModel>();

            foreach (var stock in portfolioList)
            {
                var updatedInfo = new PortfolioIndexViewModel(stock)
                {
                    CurrentPrice = await StockApi.GetStockPrice(stock.Symbol)
                };
                updatedList.Add(updatedInfo);
            }

            return(View(updatedList));
        }