Both in Semiconductor Manufacturing Equipment

Amtech Systems vs Trio-Tech International

Over the past year ASYS returned +63.9% and TRT returned +34.9%; their daily moves had a correlation of 0.32.

ASYS +63.9% TRT +34.9%Growth of $1, one year, split-adjusted
MetricASYSTRT
Price$12.80$4.85
Market cap$224.1M$50.1M
Today+3.90%+6.59%
1 month−28.2%−21.0%
6 months−28.6%−63.9%
Year to date+2.0%−26.7%
1 year+61.4%+31.4%
Revenue growth (YoY)+14.5%+39.9%
Gross margin50.0%18.6%
Net margin7.4%−1.3%
P/E (TTM)56.0×—
Price / sales2.7×0.8×
Net cash$82.9M$21.4M
Dividend yield——
Volatility (60d)66.4%114.5%
Short % of float11.8%12.1%
Next earnings——

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