U.S. Stock Market Index PerformanceNASDAQ Composite compared to S&P 5001-Jan-20141-Feb-20141-Mar-20141-Apr-20141-May-20141-Jun-20141-Jul-20141-Aug-20141-Sep-20141-Oct-20141-Nov-20141-Dec-20141-Jan-2015S&P 500NASDAQDaily Closing Price50004500400035003000250020001500