According to the on-line Oxford Advance Learner's Dictionary, there is an alternative pronunciation pattern, with the FIRST syllable stressed. Which of the two pronunciation patterns do most people in your area prefer?
It is a least frequently used word. So, when you ask American speakers how to pronounce a least frequently used word, they pronounce it the way they pronounce any random word without looking at their favorite dictionaries. In this particular sense, the stress falls on the second syllable. Even if you hear a schwa for the first vowel, it fits with English structure.