sequential_stockquote_printer1.cs

using Newtonsoft.Json;
using System;
using System.Net;
using System.Xml;

namespace StockQuotePrinter
{
    class Program
    {
        static void Main(string[] args)
        {
            var stockSymbols = new string[]{
                "googl",
                "msft",
                "aapl",
                "bbry",
                "hpq"
            };


            foreach (var symbol in stockSymbols)
            {
                var client = new WebClient();
                var response = client.DownloadString("http://dev.markitondemand.com/Api/v2/Quote?symbol=" + symbol);
                var doc = new XmlDocument();
                doc.LoadXml(response);
                var name = doc.GetElementsByTagName("Name");
                var price = doc.GetElementsByTagName("LastPrice");

                Console.WriteLine($"{name[0].InnerText} - {price[0].InnerText}");
            }

            Console.ReadKey();
        }
    }
}