The stock market's slow start to 2014 doesn't seem to worry Jeremy Siegel.
The professor of finance at the University of Pennsylvania's Wharton School maintained his bullish outlook on 2014, telling CNBC on Thursday that he believes the Dow would finish this year at a record high—somewhere between 18,000 and 18,500. His main concern? Getting the jittery retail investor back into the action.
Siegel believes investors shouldn't worry that there's anything wrong with stock market.
(Read more: Jeremy Siegel's bullish stock market call for 2014)