UnitedHeath shares fall after health-care giant admits DOJ fraud probe into Medicare business UnitedHeath admits DOJ fraud probe into Medicare business Breaking News 9 months ago Business, National Business NewsNew York Post More Articles: March 28 Montana Knife Company Opens New Missoula Facility April 4 SpaceX files confidentially for IPO that could rank as largest in history U.S. LNG exports up again in March on global panic buying March 28 Fed and Central Banks Flag Energy Shock Risks to Inflation and Growth April 4 U.S. adds 178,000 jobs in March, unemployment falls to 4.3% March 28 Energy Stocks Surge as Rest of Market Stumbles