The wet liquid is commonly called "Soy Sweat".
This usually happens when there is an extreme temperature shift. Something as simple as going from a cold delivery truck to a hot home is just enough to make the candle "sweat".
Soy Sweat is very harmless and is pretty easy to clean up. All you need to do is dab the wet spots with a paper towel or Kleenex and it should soak right up!
Soy Sweat is harmless
Soy Sweat will not affect the quality of the burn or scent of your candle.
Soy Sweat usually will not happen again after the first burn.
Soy Sweat is the release of extra fragrance oils.