** Shares of cybersecurity firm Fortinet FTNT.O rise 16% to $105 in extended trading
** Co expects full-year revenue to range between $7.71 billion and $7.87 billion, compared with its earlier projection of $7.50 billion to $7.70 billion
** Forecasts annual adjusted profit per share in the range of $3.10 to $3.16, above its earlier expectations of $2.94 to $3
** Beats Wall Street estimates for first-quarter results and forecasts second-quarter revenue above expectations
** FTNT up 13.3% YTD
(Reporting by Padmanabhan Ananthan)
((Padmanabhan.Ananthan@thomsonreuters.com))