Both in Engineering Services

Acorn Energy vs Tetra Tech

Over the past year ACFN returned −37.1% and TTEK returned +25.5%; their daily moves had a correlation of 0.15.

ACFN −37.1% TTEK +25.5%Growth of $1, one year, split-adjusted
MetricACFNTTEK
Price$16.10$40.94
Market cap$40.8M$10.48B
Today−1.29%+3.88%
1 month−13.0%+22.6%
6 months−16.8%+32.0%
Year to date+6.6%+22.1%
1 year−33.4%+28.5%
Revenue growth (YoY)−29.4%−4.5%
Gross margin82.4%18.6%
Net margin11.8%8.4%
P/E (TTM)26.4×24.0×
Price / sales4.3×2.1×
Net cash$4.5M-$570.2M
Dividend yield—0.70%
Volatility (60d)49.3%25.1%
Short % of float2.3%5.0%
Next earnings——

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