Both in Semiconductor Manufacturing Equipment

Sono-Tek vs Energy Recovery

Over the past year SOTK returned +6.4% and ERII returned −59.3%; their daily moves had a correlation of 0.08.

SOTK +6.4% ERII −59.3%Growth of $1, one year, split-adjusted
MetricSOTKERII
Price$4.81$6.96
Market cap$75.8M$355.3M
Today−7.50%−2.25%
1 month−17.4%+3.9%
6 months−7.1%−37.0%
Year to date+16.5%−48.4%
1 year+1.7%−59.5%
Revenue growth (YoY)+1.3%−57.2%
Gross margin52.9%74.7%
Net margin7.0%−26.7%
P/E (TTM)37.8×23.2×
Price / sales3.5×2.9×
Net cash$17.8M$93.1M
Dividend yield——
Volatility (60d)72.4%36.7%
Short % of float0.5%6.4%
Next earnings——

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