Buoyed by positive momentum for shares of Travelers and Chevron, the Dow Jones Industrial Average is up Tuesday afternoon. Shares of Travelers TRV, +2.58% and Chevron CVX, +2.10% are contributing to the index’s intraday rally, as the Dow DJIA, +0.08% was most recently trading 54 points (0.2%) higher. Travelers’s shares are up $4.60 (2.9%) while those of Chevron have climbed $2.50, or 2.2%, combining for a roughly 47-point bump for the Dow. Other components contributing significantly to the gain include JPMorgan Chase JPM, +2.12%, Goldman Sachs GS, +1.55%, and Merck MRK, +1.47%. A $1 move in any of the index’s 30 components equates to a 6.59-point swing.