Detailed price information for Unitedhealth Group Inc (UNH-N) from The Globe and Mail including charting and trades.

UnitedHealth Group continued its historic drop in May, losing 26.6% during the month. The health insurer is facing new ...

Shares of UnitedHealth Group Inc. took a deep dive Tuesday, after the health insurer said it no longer backed its full-year financial outlook, as medical costs continued to rise more than expected.