Arista shares rise more than 11% in late trading after Q2 beat

Arista shares gained just over 3% in the regular session on August 4 and then rose more than 11% in after-hours trading once the quarterly report was out. The reaction followed a revenue beat and a third-quarter outlook above what the market expected. The move was the first trading reaction to the report.

• Regular session on August 4: gain of just over 3%
• After-hours move: more than 11% higher
• Trigger: Q2 revenue of $3.04 billion and Q3 revenue guidance of about $3.3 billion