We believe DexCom stock (NASDAQ
NDAQ
DXCM
ISRG
Interestingly, ISRG and DXCM have had a Sharpe Ratio of 0.7 since early 2017, higher than 0.6 for the S&P 500 Index over the same period. Still, they fall short of the Sharpe of 1.3 for the Trefis Reinforced Value portfolio. Sharpe is a measure of return per unit of risk, and high-performance portfolios can provide the best of both worlds.
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