Key Takeaways Arista Networks shares jumped in late trading on Tuesday after the cloud networking company topped quarterly estimates and provided a better-than-expected current-quarter outlook. The company's quarterly results were driven by growing demand for AI network ing solutions that connect cloud and data center infrastructure. The company also announced a $1.2 billion share repurchase program. Monitor the$290 level where Arista shares may encounter resistance from a trendline linking a series of pri ...