ACM Research, Inc. (NASDAQ:ACMR – Get Free Report) shares were up 7.8% during mid-day trading on Thursday . The stock traded as high as $20.86 and last traded at $20.62. Approximately 391,145 shares were traded during mid-day trading, a decline of 69% from the average daily volume of 1,271,854 shares. The stock had previously closed […]