Viant Technology down after missing Q4 profit estimates
** Shares of advertising tech firm Viant Technology DSP.O down 16.5% to $16.49 premarket ** The company reported Q4 adjusted EPS of 10 cents after-market on Monday, missing analysts' estimate of 12 cents per share - data compiled by LSEG ** However, it reported Q4 revenue of $90.05 mln, beating analysts' estimate of $83.96 mln ** As of last close, DSP shares are up 4% YTD (Reporting by Jaiveer Singh Shekhawat in Bengaluru) ((JaiveerSingh.Shekhawat@thomsonreuters.com;))