$ROKU Roku shares tank 14% despite revenue beat for the third quarter cnbc.com/2019/11/06/roku-ro... Roku stock tanked 14% in after-hours trading after the company reported Q3 results. The company reported average revenue per user of $22.58, compared with the previous quarter’s metric of $21.06. Roku expects its recent acquisition of Dataxu to drive revenue growth throughout Q4. The company raised guidance and now expects to bring in $1.11 billion in revenue, at the midpoint of a projected range, for the full year of 2019. That falls right in line with analyst expectations. Roku expects its recent acquisition of Dataxu to drive revenue growth throughout Q4. Roku bought ad tech company Dataxu in October for $150 million. Dataxu allows marketers to plan and buy video ad campaigns.