Madison, Wis.-based Exact Sciences saw shares increase 12 percent after Minnetonka, Minn.-based UnitedHealthcare said it would cover the company's colon cancer screening test Cologuard, according to a Milwaukee Journal Sentinel report.
Exact Sciences stock closed at $36.47 Wednesday, up $3.82. The company's shares have increased 449 percent during the past year.
The company's completed test volume also grew year-over-year by 150 percent, according to the report.