Oct 08 2026 09:28 PM EST

ACM Research Shares Slip Amid Profit‑Taking, Analyst Downgrade and Macro Headwinds

ACM Research (NASDAQ: ACMR) saw its stock decline roughly 9% on Oct 5 after a brief post‑earnings rally, extending a five‑day down‑trend of about 13%. The slide coincided with a Zacks downgrade to “Hold,” insider sales totaling roughly $10.6 million, and rising U.S. Treasury yields that have pressured high‑beta semiconductor‑equipment stocks.