ACM Research, Inc. (NASDAQ:ACMR – Get Free Report) shares gapped up before the market opened on Tuesday . ACM Research shares last traded at $39.32, with a volume of 569,995 shares changing hands. Get ACM Research alerts:ACM Research (NASDAQ:ACMR – Get Free Report) last posted its quarterly earnings data on Wednesday, August 6th. Headlands Technologies LLC acquired a new stake in shares of ACM Research in the 2nd quarter worth approximately $114,000. Read MoreReceive News & Ratings for ACM Research Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for ACM Research and related companies with MarketBeat.com's FREE daily email newsletter.