Both in Semiconductors

Enphase Energy vs Applied Optoelectronics

Over the past year ENPH returned +8.8% and AAOI returned +100.9%; their daily moves had a correlation of 0.16.

ENPH +8.8% AAOI +100.9%Growth of $1, one year, split-adjusted
MetricENPHAAOI
Price$32.33$59.44
Market cap$4.28B$5.05B
Today+6.26%−7.08%
1 month−4.7%−54.3%
6 months−9.7%−66.7%
Year to date+0.9%+70.5%
1 year+9.5%+79.9%
Revenue growth (YoY)−28.5%+86.4%
Gross margin43.3%27.7%
Net margin8.0%−11.9%
P/E (TTM)47.1×—
Price / sales3.5×8.5×
Net cash$358.7M$311.7M
Dividend yield——
Volatility (60d)64.1%104.9%
Short % of float22.9%20.0%
Next earnings——

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