Exact Sciences and Foundation Medicine were the top earners for the GenomeWeb Index fund in 2017, genomeweb reports.
Here's what you should know:
1. The index fund surged 39 percent in 2017. Exact Sciences and Foundation Medicine both led the fund nearly tripling their value throughout the year.
2. The index fund has 26 total stocks in it.
3. The index fund's overall performance was positive. Nineteen of the 26 companies had stocks that gained value in 2017. Seven firms suffered year-over-year losses. Of the gainers, four rose by triple-digit percentages.
4. Exact Sciences' value increased by a total of 293 percent year-over-year.