Both in Semiconductor Manufacturing Equipment

Axcelis Technologies vs Sono-Tek

Over the past year ACLS returned +17.7% and SOTK returned +0.9%; their daily moves had a correlation of 0.32.

ACLS +17.7% SOTK +0.9%Growth of $1, one year, split-adjusted
MetricACLSSOTK
Price$97.38$4.70
Market cap$3.01B$74.0M
Today+2.34%−1.47%
1 month−31.6%−31.0%
6 months−30.3%−2.5%
Year to date+21.2%+13.8%
1 year+22.4%+4.0%
Revenue growth (YoY)+10.6%+1.3%
Gross margin42.4%52.9%
Net margin10.8%7.0%
P/E (TTM)32.4×36.9×
Price / sales3.5×3.4×
Net cash$360.6M$17.8M
Dividend yield——
Volatility (60d)62.6%72.0%
Short % of float4.8%0.5%
Next earnings——

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