Both in Semiconductors

Photronics vs Ultra Clean Holdings

Over the past year PLAB returned +15.4% and UCTT returned +68.3%; their daily moves had a correlation of 0.51.

PLAB +15.4% UCTT +68.3%Growth of $1, one year, split-adjusted
MetricPLABUCTT
Price$28.00$48.02
Market cap$1.65B$2.30B
Today+2.19%+2.54%
1 month−9.9%−35.1%
6 months−45.1%−42.2%
Year to date−12.5%+89.6%
1 year+17.2%+75.2%
Revenue growth (YoY)+2.7%+48.8%
Gross margin33.2%16.9%
Net margin13.4%5.2%
P/E (TTM)10.0×86.6×
Price / sales1.9×0.9×
Net cash$668.9M-$364.2M
Dividend yield——
Volatility (60d)40.0%82.1%
Short % of float7.1%7.4%
Next earnings——

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