Both in Medical Labs

Guardant Health vs Quest Diagnostics

Over the past year GH returned +71.8% and DGX returned +43.6%; their daily moves had a correlation of 0.20.

GH +71.8% DGX +43.6%Growth of $1, one year, split-adjusted
MetricGHDGX
Price$168.58$255.68
Market cap$22.62B$28.22B
Today−3.67%+3.49%
1 month−1.2%+11.9%
6 months+82.7%+35.2%
Year to date+65.0%+47.3%
1 year+70.4%+43.0%
Revenue growth (YoY)+44.3%+10.0%
Gross margin65.4%33.6%
Net margin−35.9%10.0%
P/E (TTM)—25.1×
Price / sales19.1×2.4×
Net cash-$449.5M-$4.75B
Dividend yield—1.35%
Volatility (60d)45.0%22.1%
Short % of float9.2%3.2%
Next earnings——

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