Arista Networks is trading at $177.95, up 3.24%, as technology stocks rebound. - No clear company-specific announcement surfaced to explain the move. - The advance fits broader market sentiment as investors position ahead of major technology earnings and the Federal Reserve meeting; easing oil prices have also supported risk appetite. Reuters reported U.S. stocks opened higher amid those factors. - The Nasdaq is up 1.31% and Technology (XLK) is up 1.63%.