Many analysts in the Arista Networks stock forecast discussions cite the company’s 65% gross margin as evidence of operational efficiency unmatched by most sector peers. Thus far, we have learned that ROE measures how efficiently a company is generating its profits. Depending on how much of these profits the company reinvests or "retains", and how effectively it does so, we are then able to assess a company’s earnings growth potential. Assuming everything else remains unchanged, the higher the ROE and profit retention, the higher the growth rate of a company compared to companies that don't necessarily bear these characteristics. After a brief rise and extended flag sideways, ANET is starting its journey upward with the rest of the tech sector. Looking at a move 20% move up then all time highs ... (market permitting) Options market data on Arista Networks stock forecast show increased call volume at the $300 strike, implying traders are positioning for upward momentum ahead of earnings.