On July 28, Arista Networks fell 3.08% in pre-market trading, trading at approximately $165.23/share, with turnover of $1.03 million.

On the news front, the communication equipment sector experienced broad-based selling pressure, with Applied Optoelectronics down 6.56%, Lumentum down 5.2%, and Nokia down 1.46%, dragging Arista Networks lower in tandem. Meanwhile, CEO and Board Chairperson Jayshree Ullal sold approximately 460,000 shares over July 9-10, cashing out roughly $86 million. Over the past three months, cumulative disposals have exceeded 1.49 million shares, continuously weighing on market sentiment.

With the company's next earnings report scheduled for August 4 after market close, the proximity to the reporting window combined with significant insider selling has intensified short-term bull-bear dynamics. Consensus estimates project quarterly revenue of $2.818 billion, up 33.66% year-over-year, and adjusted EPS of $0.89, up 36.28%.

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