So, you are taking a serious look at ACM Research stock and wondering whether now is a smart time to buy, sell, or just watch from the sidelines. Let’s be honest, there aren’t too many companies with a track record like this one. The stock has seen a 154.8% jump so far this year and an enormous 529.8% climb over the past three years. There was a slight dip over the past week with a 3.4% decline, but with 28.2% gains this month alone, this is still a name showing significant movement. What is…