Shares of Goldman Sachs and Caterpillar are posting losses Friday morning, sending the Dow Jones Industrial Average into negative territory. The Dow DJIA, +1.33% was most recently trading 67 points lower (-0.3%), as shares of Goldman Sachs GS, -0.08% and Caterpillar CAT, +0.53% are contributing to the blue-chip gauge’s intraday decline. Goldman Sachs’s shares are off $4.60, or 2.4%, while those of Caterpillar are down $1.74 (1.2%), combining for a roughly 42-point drag on the Dow. Other components contributing significantly to the decline include Visa V, +0.88%, Walt Disney DIS, +1.23%, and Salesforce.com Inc. CRM, +2.18%. A $1 move in any of the index’s 30 components equates to a 6.58-point swing.