Both in Medical Labs

Quest Diagnostics vs CareDx

Over the past year DGX returned +38.1% and CDNA returned +499.0%; their daily moves had a correlation of 0.15.

DGX +38.1% CDNA +499.0%Growth of $1, one year, split-adjusted
MetricDGXCDNA
Price$247.06$88.47
Market cap$27.27B$4.65B
Today−1.50%+3.02%
1 month+6.4%+26.7%
6 months+29.5%+327.4%
Year to date+42.4%+369.6%
1 year+40.4%+489.8%
Revenue growth (YoY)+10.0%+39.3%
Gross margin33.6%71.1%
Net margin10.0%13.8%
P/E (TTM)24.2×36.1×
Price / sales2.3×9.3×
Net cash-$4.75B$250.5M
Dividend yield1.39%—
Volatility (60d)21.1%61.8%
Short % of float3.2%13.4%
Next earnings——

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