On August 4, Arista Networks rose 3.51% in after-hours trading, trading at $195.65/share, with turnover of $39.17 million. The stock extended its intraday gains following the release of its second-quarter earnings report after the close.

The company published its Q2 fiscal results after the bell, with market consensus expectations calling for revenue of $2.818 billion, representing 33.66% year-over-year growth, and adjusted earnings per share of $0.89, up 36.28% year-over-year. The after-hours advance reflected the market's positive reaction to the earnings delivery. Heading into the report, multiple institutions including TD Cowen, Needham, and Wells Fargo had raised price targets to the $200-$210 range while maintaining buy or overweight ratings. UBS had also noted that strong demand for AI data center switches and deepening hyperscaler relationships positioned Arista for potential revenue and profit beats.

The broader communication equipment sector provided additional tailwinds during the regular session, with Applied Optoelectronics up 18.43%, Lumentum up 7.43%, and Ciena up 5.46%, creating a favorable backdrop that amplified the earnings catalyst.

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