Health care is having its best quarter in five years, and one winner is set to keep surging

The S&P 500 health-care sector has been on a tear in recent months, on track for its best quarter in five years and surging to an all-time high on Friday. Names such as Eli Lilly, Biogen and Pfizer are among the biggest winners in the last three months, with double-digit gains. According to one chart-minded analyst, Biogen is one name in the space set to continue rallying.