Shares of cloud storage company Dropbox (DBX -23.92%) fell as much as 23.1% on Friday after the company reported earnings results. Shares were hitting their low around 3 p.m. ET. Results weren't all that bad for the fourth quarter, but investors are focused on guidance and analyst reactions today. Results and guidance for Dropbox Dropbox reported a 6% increase in revenue to $635 million and net income of$227.3 million, or $0.66 per share. Non-GAAP (adjusted) earnings per share were$0.50. This topped analy ...