By MarketWatch Automation
Powered by positive momentum for shares of Pfizer and UnitedHealth, the Dow Jones Industrial Average is soaring Monday afternoon. The Dow /zigman2/quotes/210598065/realtime DJIA +0.17% was most recently trading 541 points, or 2.1%, higher, as shares of Pfizer /zigman2/quotes/202877789/composite PFE +0.47% and UnitedHealth /zigman2/quotes/210453738/composite UNH +0.95% have contributed around one third of the index's intraday rally. Pfizer's shares are up $1.75 (5.2%) while those of UnitedHealth have risen $12.01 (4.1%), combining for an approximately 94-point bump for the Dow. Also contributing significantly to the gain are Goldman Sachs /zigman2/quotes/209237603/composite GS +1.97% , Caterpillar /zigman2/quotes/203434128/composite CAT +0.39% , and Home Depot /zigman2/quotes/208081807/composite HD +0.84% . A $1 move in any one of the 30 components of the index equates to a 6.86-point swing.