Dow up 136 points on gains for UnitedHealth, Goldman Sachs stocks

The Dow Jones Industrial Average is trading up Tuesday morning with shares of UnitedHealth and Goldman Sachs delivering strong returns for the blue-chip average. Shares of UnitedHealth and Goldman Sachs have contributed about 50% of the index’s intraday rally, as the Dow was most recently trading 136 points, or 0.3%, higher. UnitedHealth’s…