public ActionResult <string> GetStockInfo()
        {
            //write a function to fetch dbcontext, and pass it the formatted info to update the database with
            string[] tickers =
            {
                "MSFT",
                "TSLA",
                "AAPL",
                "BABA"
            };

            var list = AlphaVantageStock.FormatInfo(tickers, _apiKey.AlphaVantageKey);

            _context.AddRange(list);

            _context.SaveChanges();

            return(list.ToString());
        }