On August 26 , 2014 , the index closed above 2,000 for the very first time .
On December 22 the S&P 500 climbed to 2078 , an all - time high .
On August 26 , 2014 , the index closed above 2,000 for the very first time , and on December 22 the S&P 500 climbed to 2078 , an all - time high .