ACM Research, Inc. (NASDAQ:ACMR – Get Free Report) was down 4.6% during mid-day trading on Tuesday . The company traded as low as $29.66 and last traded at $29.75. Approximately 386,059 shares traded hands during mid-day trading, a decline of 78% from the average daily volume of 1,723,502 shares. The stock had previously closed at […]