the joint venture formed by three of America’s most powerful companies to lower costs and improve outcomes in health care, is disbanding after three years, CNBC has learned exclusively.

The company began informing employees Monday that it will shut down by the end of next month, according to people with direct knowledge of the matter.

For the day The Nasdaq Composite is trading at 12,698.45  with a loss of –1.47% percent or  -189.83 point.the Dow is trading at 30,223.89  with a loss of –1.25% percent or –382.59 point. The S&P 500 is trading at 3,700.65 with a loss of –1.48% percent or –55.42 point.

Other leading market index closes included the small-cap Russell 2000 Index closed at 1,945.91 with a loss of -1.47% percent or -28.94 point; the S&P 600 Small-Cap Index closed at 1,106.93 with a loss of –1.07% percent or  ?12.00 point; the S&P 400 Mid-Cap Index closed at 2,269.45 with a loss of –1.61% percent or ?37.17 point; the S&P 100 Index closed at 1,696.86 with a loss of –1.37% percent or  ?23.64 point; the Russell 3000 Index closed at 2,215.42  with a loss of – 1.47% percent or ?33.01 point; the Russell 1000 Index closed at 2,089.72 with a loss of –1.47% or ?31.15 point