Arista Networks is trading at $188.20, up +10.76% in pre-market on November 4 after earnings beat estimates and stronger fourth-quarter guidance. - Third-quarter revenue was $3.66 billion vs. $3.33 billion expected; adjusted EPS was $1.20 vs. $1.08 expected. - Fourth-quarter revenue guidance was $3.9–$4.0 billion vs. $3.6 billion consensus; adjusted EPS guidance was $1.26–$1.30 vs. $1.15 expected.