Both in Surgical Instruments

DexCom vs West Pharmaceutical Services

Over the past year DXCM returned +37.3% and WST returned +45.5%; their daily moves had a correlation of 0.19.

DXCM +37.3% WST +45.5%Growth of $1, one year, split-adjusted
MetricDXCMWST
Price$82.97$406.99
Market cap$30.94B$28.35B
Today−2.11%−0.22%
1 month−4.5%+8.0%
6 months+39.5%+31.3%
Year to date+25.0%+47.9%
1 year+42.5%+44.3%
Revenue growth (YoY)+11.2%+8.7%
Gross margin64.3%39.7%
Net margin20.5%24.5%
P/E (TTM)31.2×44.4×
Price / sales6.1×8.3×
Net cash$574.2M$261.2M
Dividend yield—0.22%
Volatility (60d)29.4%20.3%
Short % of float4.2%2.9%
Next earnings——

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