On Dec. 23, 2014, the Dow Jones Industrial Average closed at a record high of 18,030.27, surpassing the psychological milestone of 18,000, reported the International Business Times. One day prior, the Dow closed at 17,959.44, which was a record close for the index at the time.
In 2014, the Dow recorded 32 all-time highs prior to the record closings that occurred in the month of December 2014, according to USA Today. The S&P 500, another leading market indicator, reported all-time highs throughout the course of 2014. The Nasdaq, a leading market indicator weighted heavily toward technology stocks, did not report all-time highs until June 18, 2015, reports CNN Money.