2 healthcare stocks that doubled in 2019 and can still go higher

Investing in healthcare can be an excellent way for investors to diversify their portfolios and take a position in strong, stable markets that will continue to see demand for the foreseeable future. The two stocks listed below not only have a lot of long-term potential but have already delivered strong results this year with both of their share prices doubling, dwarfing the S&P 500's returns of 29% in 2019.