Arista Networks (ANET)  has joined a wave of tech stocks that are receiving upgrades from analysts thanks to its AI-driven data center innovation and robust revenue growth.Considering such, there is much enthusiasm building ahead of Arista Networks' Q2 report next Tuesday, August 5.To that point, Arista Networks' stock has rebounded more than +30% in the last three months and is now less than 10% from its all-time peak of $133 a share (stock-split adjusted basis), which it hit in January.Image Source: Zacks ...