UnitedHeath shares fall after health-care giant admits DOJ fraud probe into Medicare business UnitedHeath admits DOJ fraud probe into Medicare business Breaking News 1 year ago Business, National Business NewsNew York Post More Articles: August 29 Tim Cook to Step Down as Apple CEO, Hand Reins to John Ternus August 27 MINNEAPOLIS FED PAPER MODELS THE GAINS FROM OPENING GLOBAL CAPITAL MARKETS August 28 Stocks Slip Friday to Close Out Volatile Week August 31 Montana’s High-Tech Economy Expands as Data Centers Emerge Broadcom, Dell Headline Busy Tech Earnings Week September 8 Volkswagen Approves Sweeping Restructuring With 50,000 Job Cuts