Both in Semiconductor Manufacturing Equipment

Axcelis Technologies vs ACM Research

Over the past year ACLS returned +20.9% and ACMR returned +9.9%; their daily moves had a correlation of 0.59.

ACLS +20.9% ACMR +9.9%Growth of $1, one year, split-adjusted
MetricACLSACMR
Price$100.07$45.47
Market cap$3.09B$3.17B
Today−10.67%−7.75%
1 month−26.8%−45.6%
6 months−28.5%−12.8%
Year to date+24.6%+15.3%
1 year+20.4%+7.8%
Revenue growth (YoY)+10.6%+36.0%
Gross margin42.4%46.0%
Net margin10.8%30.4%
P/E (TTM)33.3×21.1×
Price / sales3.6×3.1×
Net cash$360.6M$733.4M
Dividend yield——
Volatility (60d)62.8%70.2%
Short % of float4.8%6.0%
Next earnings——

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