Salesforce.com (CRM) stock fell Tuesday after the company posted mixed Q3 results late Monday and gave mixed guidance for the current quarter. Q3 revenue jumped 36% and beat analyst estimates, but EPS ex items was just in line and EPS guidance came up slightly short as expenses continue to rise faster than sales, as IBD reported. Salesforce.com stock was down as much as 5.3% in early trading in the stock market today, but the stock was down less