The Dow Jones Industrial Average is rallying Friday morning with shares of 3M and Goldman Sachs delivering strong returns for the blue-chip average. Shares of 3M /zigman2/quotes/205029460/composite MMM -1.32% and Goldman Sachs /zigman2/quotes/209237603/composite GS -1.63% have contributed around one third of the index's intraday rally, as the Dow /zigman2/quotes/210598065/realtime DJIA -0.56% was most recently trading 336 points higher (1.2%). 3M's shares are up $6.66, or 4.0%, while those of Goldman Sachs are up $6.21 (2.9%), combining for an approximately 87-point boost for the Dow. Other components contributing significantly to the gain include Chevron /zigman2/quotes/205871374/composite CVX +0.15% , Dow Inc. /zigman2/quotes/203121064/composite DOW -1.83% , and JPMorgan Chase /zigman2/quotes/205971034/composite JPM -1.32% . A $1 move in any one of the 30 components of the index results in a 6.78-point swing.