Both in Semiconductors

FormFactor vs Applied Optoelectronics

Over the past year FORM returned +71.6% and AAOI returned +93.6%; their daily moves had a correlation of 0.48.

FORM +71.6% AAOI +93.6%Growth of $1, one year, split-adjusted
MetricFORMAAOI
Price$96.79$63.97
Market cap$7.56B$5.43B
Today+10.87%+2.35%
1 month−34.6%−47.4%
6 months−33.2%−64.6%
Year to date+73.5%+83.5%
1 year+76.1%+79.9%
Revenue growth (YoY)+31.9%+86.4%
Gross margin50.7%27.7%
Net margin21.8%−11.9%
P/E (TTM)65.5×—
Price / sales8.4×9.1×
Net cash$334.0M$311.7M
Dividend yield——
Volatility (60d)88.4%104.2%
Short % of float3.4%20.0%
Next earnings——

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