The Dow Jones Industrial Average is soaring Tuesday morning with shares of Dow Inc. and American Express delivering strong returns for the index. Shares of Dow Inc. (NYS:DOW) and American Express (NYS:AXP) have contributed to the index's intraday rally, as the Dow (DOW:DJIA) was most recently trading 607 points higher (2.7%). Dow Inc.'s shares have climbed $3.39, or 11.1%, while those of American Express have risen $6.88 (8.2%), combining for an approximately 70-point bump for the Dow. Chevron (NYS:CVX) , Walt Disney (NYS:DIS) , and Exxon Mobil (NYS:XOM) are also contributing significantly to the gain. A $1 move in any of the benchmark's 30 components equates to a 6.86-point swing.