Salesforce.com, inc. CRM shares are falling after issuing weak fourth-quarter guidance.

Third-quarter adjusted earnings came in at 75 cents per share, beating estimates by 9 cents. Sales came in at $4.51 billion, beating estimates by $60 million.

The company's fourth-quarter adjusted earnings guidance came in at 54-55 cents, well short of 62 cents per share consensus estimate.

"We're now on track to double our revenue in five years," said Marc Benioff, chairman, and co-CEO, Salesforce. "With Customer 360, only Salesforce is providing companies with a single source of truth, bringing them even closer to their customers across every touchpoint."