preference stock

16 LETTERS · STARTS WITH P

preference stock is a valid 16-letter word worth 28 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1E1F4E1R1E1N1C3E1S1T1O1C3K5

3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 3 + 1 + 0 + 1 + 1 + 1 + 3 + 5 =28 PTS

DOUBLE WORD → 56TRIPLE WORD → 84

MEANING

What does preference stock mean?