** Shares of semiconductor equipment maker ACM Research ACMR.O down 1.95% at $52.40
** Co narrows 2025 revenue guidance to between $885 million and $900 million, vs. Street's view of $906.5 million
** ACMR's earlier 2025 revenue guidance was $875 million to $925 million
** Co forecasts 2026 revenue of $1.08 billion to $1.18 billion, above analysts' estimates of $1.06 billion - data compiled by LSEG
** Expects higher revenue growth in 2026 amid healthy investments in production capacity and gains from newer products
** ACMR stock more than doubled in 2025
(Reporting by Jahanvi Kothari in Bengaluru)
((jahanvi.kothari@thomsonreuters.com))