Salesforce.com Inc. CRM, -1.38% announced Friday that it will change its legal name to Salesforce Inc., effective April 4. The customer relationship managemet software company said its stock will continue to trade on the NYSE under the ticker symbol “CRM.” The stock edged up 0.4% in premarket trading. It has tumbled 15.8% year to date through Thursday, while the SPDR S&P Software & Services ETF XSW, -1.64% has dropped 11.0% and the Dow Jones Industrial Average DJIA, +0.44% has slipped 4.5%.