Both in Semiconductor Manufacturing Equipment

Sono-Tek vs Amtech Systems

Over the past year SOTK returned +6.4% and ASYS returned +60.8%; their daily moves had a correlation of 0.23.

SOTK +6.4% ASYS +60.8%Growth of $1, one year, split-adjusted
MetricSOTKASYS
Price$4.81$12.75
Market cap$75.8M$223.2M
Today−7.50%−6.80%
1 month−17.4%−26.1%
6 months−7.1%−25.6%
Year to date+16.5%+1.6%
1 year+1.7%+57.4%
Revenue growth (YoY)+1.3%+14.5%
Gross margin52.9%50.0%
Net margin7.0%7.4%
P/E (TTM)37.8×55.8×
Price / sales3.5×2.7×
Net cash$17.8M$82.9M
Dividend yield——
Volatility (60d)72.4%66.3%
Short % of float0.5%11.8%
Next earnings——

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