Cloud stocks get hammered, with Salesforce suffering worst day since early 2016 By: CNBC.com News November 19, 2018 at 16:57 PM EST Salesforce fell 8.7 percent Monday, and investors pulled out of other cloud stocks like Okta, Twilio and Zendesk. Read More >> Related Stocks: Amazon.com Apple Atlassian Corp Facebook Okta Inc Cl A Salesforce Servicenow Inc Twilio Workday Inc