Both in Measuring Instruments

Birchtech vs Thermo Fisher Scientific

Over the past year BCHT returned −54.8% and TMO returned +31.2%; their daily moves had a correlation of -0.73.

BCHT −54.8% TMO +31.2%Growth of $1, one year, split-adjusted
MetricBCHTTMO
Price$1.09$682.65
Market cap$28.5M$252.41B
Today−3.98%−2.06%
1 month−27.7%+4.3%
6 months—+47.6%
Year to date—+17.8%
1 year—+22.7%
Revenue growth (YoY)—+9.1%
Gross margin27.2%42.3%
Net margin−79.6%14.2%
P/E (TTM)—35.7×
Price / sales—5.3×
Net cash$11.8M-$35.31B
Dividend yield—0.28%
Volatility (60d)—25.3%
Short % of float0.3%1.3%
Next earnings——

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