IBM, Salesforce share losses lead Dow's 312-point fall

The Dow Jones Industrial Average is declining Thursday afternoon with shares of IBM and Salesforce facing the biggest setback for the blue-chip average. Shares of IBM and Salesforce are contributing to the blue-chip gauge’s intraday decline, as the Dow was most recently trading 312 points, or 0.6%, lower. IBM’s shares are off $24.64 (9.8%)…