Salesforce target Tableau explored sale earlier this year - sources

Tableau Software Inc , one of the companies in a leaked list of potential acquisition targets of Salesforce.com Inc , worked with an investment bank to explore a sale earlier this year, according to people familiar with the matter. Shares of Tableau rose as much as 7.3 percent on Wednesday after the Wall Street Journal reported the list, found in emails of former Secretary of State Colin Powell that were published in September by DCLeaks, a website that releases information often obtained throug