Both in Semiconductor Manufacturing Equipment

ACM Research vs Energy Recovery

Over the past year ACMR returned +9.6% and ERII returned −57.3%; their daily moves had a correlation of 0.28.

ACMR +9.6% ERII −57.3%Growth of $1, one year, split-adjusted
MetricACMRERII
Price$45.33$7.17
Market cap$3.16B$366.0M
Today+2.67%−0.14%
1 month−40.5%+5.0%
6 months−14.1%−36.6%
Year to date+14.9%−46.8%
1 year+9.3%−58.1%
Revenue growth (YoY)+36.0%−57.2%
Gross margin46.0%74.7%
Net margin30.4%−26.7%
P/E (TTM)21.0×23.9×
Price / sales3.0×3.0×
Net cash$733.4M$93.1M
Dividend yield——
Volatility (60d)68.7%33.6%
Short % of float6.0%6.4%
Next earnings——

Shading marks the stronger figure where one clearly exists (lower is better for valuation and volatility).