Nobody knows why, because it's meaningless noise. It's just what the stock was traded for in that particular moment, somebody offered to trade for that much and

Nobody knows why, because it's meaningless noise. It's just what the stock was traded for in that particular moment, somebody offered to trade for that much and somebody accepted that offer which alone is a meaningless number. You need some longer term average according to volume, not points in time to gain any meaningful information.