ACM Research, Inc. ( ACMR ) just reported quite a disastrous end to the year if you look at how the company’s shares reacted. I don’t think such a drop was justified, but the profitability declines areMSc in Finance. Long-term horizon investor mostly with 5-10 year horizon. I like to keep investing simple. I believe a portfolio should consist of a mix of growth, value, and dividend-paying stocks but usually end up looking for value more than anything. I also sell options from time to time.Analyst’s Disclosu ...