ACMR - ACM Research pops after upgrade on 'overdone' selling September, 11 2020 08:03 AM ACM Research Inc. Calling the recent selloff "overdone," Stifel raises ACM Research (NASDAQ:ACMR) from Hold to Buy with a $100 price target.More news on: ACM Research, Inc., Tech stocks news, Stocks on the move, Read more ...